Bump peter-evans/find-comment from 3.1.0 to 4.0.0 (#44524)

Bumps [peter-evans/find-comment](https://github.com/peter-evans/find-comment) from 3.1.0 to 4.0.0.
- [Release notes](https://github.com/peter-evans/find-comment/releases)
- [Commits](peter-evans/find-comment@3eae4d3...b30e6a3)

---
updated-dependencies:
- dependency-name: peter-evans/find-comment
  dependency-version: 4.0.0
  dependency-type: direct:production
  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]

.github/workflows/readiness_comment.yml

@@ -149,7 +149,7 @@ jobs:
 
       - name: Check for Existing Comment
         id: prc
-        uses: peter-evans/find-comment@3eae4d37986fb5a8592848f6a574fdf654e61f9e # v3.1.0
+        uses: peter-evans/find-comment@b30e6a3c0ed37e7c023ccd3f1db5c6c0b0c23aad # v4.0.0
         with:
           issue-number: ${{ github.event.pull_request.number }}
           comment-author: "github-actions[bot]"