build: migrate monorepo tooling to pnpm

[janvennemann]

Summary

• replace Yarn/Lerna bootstrap dependency management with pnpm workspaces
• update Lerna to 9.0.7 while preserving existing publish scripts
• remove obsolete Jenkins pipeline and Yarn lockfiles

Test Plan

• CI=true corepack pnpm install --frozen-lockfile
• corepack pnpm lint
• corepack pnpm test
• corepack pnpm exec lerna ls --all
• corepack pnpm --filter alloy-compiler pack --pack-destination /private/tmp/alloy-devkit-pack-check
• git diff --check

[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	jest@​27.2.4 ⏵ 27.5.1
	eslint-plugin-alloy@​1.1.1 ⏵ 1.2.1	+1
	@​babel/​code-frame@​7.12.13 ⏵ 7.29.7			+1
	lodash@​4.17.21 ⏵ 4.18.1	+1	+19	+1
	@​prantlf/​jsonlint@​16.1.0
	lerna@​4.0.0 ⏵ 9.0.7	-7		+14
	moment@​2.29.1 ⏵ 2.30.1		+22	+1
	@​xmldom/​xmldom@​0.8.13
	resolve@​1.15.0 ⏵ 1.22.12	-1		+1
	eslint-plugin-jest@​24.5.2 ⏵ 24.7.0			+1	-2
	fs-extra@​9.1.0 ⏵ 10.1.0	+1
	prettier@​2.4.1 ⏵ 2.8.8	+1

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[socket-security]

Warning

Review the following alerts detected in dependencies.

According to your organization's Security Policy, it is recommended to resolve "Warn" alerts. Learn more about Socket for GitHub.

Action	Severity	Alert  (click "▶" to expand/collapse)
Warn		Obfuscated code: npm cssom is 90.0% likely obfuscated Confidence: 0.90 Location: Package overview From: pnpm-lock.yaml → npm/jest@27.5.1 → npm/cssom@0.3.8 ℹ Read more on: This package | This alert | What is obfuscated code? Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev. Suggestion: Packages should not obfuscate their code. Consider not using packages with obfuscated code. Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/cssom@0.3.8. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.
Warn		Obfuscated code: npm cssom is 90.0% likely obfuscated Confidence: 0.90 Location: Package overview From: pnpm-lock.yaml → npm/jest@27.5.1 → npm/cssom@0.4.4 ℹ Read more on: This package | This alert | What is obfuscated code? Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev. Suggestion: Packages should not obfuscate their code. Consider not using packages with obfuscated code. Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/cssom@0.4.4. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.
Warn		Obfuscated code: npm diff-sequences is 90.0% likely obfuscated Confidence: 0.90 Location: Package overview From: pnpm-lock.yaml → npm/jest@27.5.1 → npm/diff-sequences@27.5.1 ℹ Read more on: This package | This alert | What is obfuscated code? Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev. Suggestion: Packages should not obfuscate their code. Consider not using packages with obfuscated code. Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/diff-sequences@27.5.1. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.
Warn		Obfuscated code: npm es-abstract is 90.0% likely obfuscated Confidence: 0.90 Location: Package overview From: pnpm-lock.yaml → npm/eslint-config-axway@6.0.2 → npm/es-abstract@1.24.2 ℹ Read more on: This package | This alert | What is obfuscated code? Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev. Suggestion: Packages should not obfuscate their code. Consider not using packages with obfuscated code. Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/es-abstract@1.24.2. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.
Warn		Obfuscated code: npm eslint-plugin-jest is 90.0% likely obfuscated Confidence: 0.90 Location: Package overview From: package.json → npm/eslint-plugin-jest@24.7.0 ℹ Read more on: This package | This alert | What is obfuscated code? Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev. Suggestion: Packages should not obfuscate their code. Consider not using packages with obfuscated code. Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/eslint-plugin-jest@24.7.0. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.
Warn		Obfuscated code: npm nx is 90.0% likely obfuscated Confidence: 0.90 Location: Package overview From: pnpm-lock.yaml → npm/lerna@9.0.7 → npm/nx@22.7.4 ℹ Read more on: This package | This alert | What is obfuscated code? Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev. Suggestion: Packages should not obfuscate their code. Consider not using packages with obfuscated code. Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/nx@22.7.4. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.
Warn		Obfuscated code: npm string.prototype.trimend is 90.0% likely obfuscated Confidence: 0.90 Location: Package overview From: pnpm-lock.yaml → npm/eslint-config-axway@6.0.2 → npm/string.prototype.trimend@1.0.9 ℹ Read more on: This package | This alert | What is obfuscated code? Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev. Suggestion: Packages should not obfuscate their code. Consider not using packages with obfuscated code. Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/string.prototype.trimend@1.0.9. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

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