Bump @datadog/datadog-ci from 4.3.0 to 5.1.0 (#163)

Bumps [@datadog/datadog-ci](https://github.com/DataDog/datadog-ci/tree/HEAD/packages/datadog-ci) from 4.3.0 to 5.1.0.
- [Release notes](https://github.com/DataDog/datadog-ci/releases)
- [Commits](https://github.com/DataDog/datadog-ci/commits/v5.1.0/packages/datadog-ci)

---
updated-dependencies:
- dependency-name: "@datadog/datadog-ci"
  dependency-version: 5.1.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -38,7 +38,7 @@
     "@astrojs/react": "^4.4.2",
     "@astrojs/rss": "^4.0.14",
     "@astrojs/sitemap": "^3.6.0",
-    "@datadog/datadog-ci": "^4.3.0",
+    "@datadog/datadog-ci": "^5.1.0",
     "@types/diff": "^8.0.0",
     "@types/react": "^19.2.7",
     "@types/react-dom": "^19.2.3",