chore: change lego sdk

[zhengkunwang223]

No description provided.

[Copilot]

Pull request overview

This PR updates the agent’s ACME/Let’s Encrypt dependency wiring by switching github.com/go-acme/lego/v5 to a fork via a replace directive, along with the resulting module graph changes in go.sum.

Changes:

• Add a replace directive to use github.com/1Panel-dev/lego/v5 v5.3.1 in place of github.com/go-acme/lego/v5.
• Drop the indirect github.com/go-acme/tencentclouddnspod dependency and add github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/dnspod (indirect) as part of the updated dependency graph.
• Regenerate go.sum to reflect the new replacement module and transitive dependencies.

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

File	Description
agent/go.mod	Adds a module replacement to a forked lego and updates indirect requirements accordingly.
agent/go.sum	Updates checksums to match the new forked lego module and transitive dependency set (including TencentCloud DNSPod SDK).

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