Bump peter-evans/create-or-update-comment from 1.4.5 to 2

Bumps [peter-evans/create-or-update-comment](https://github.com/peter-evans/create-or-update-comment) from 1.4.5 to 2.
- [Release notes](https://github.com/peter-evans/create-or-update-comment/releases)
- [Commits](peter-evans/create-or-update-comment@a35cf36...c9fcb64)

---
updated-dependencies:
- dependency-name: peter-evans/create-or-update-comment
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/diff_shades_comment.yml

@@ -39,7 +39,7 @@ jobs:
 
       - name: Create or update PR comment
         if: steps.metadata.outputs.needs-comment == 'true'
-        uses: peter-evans/create-or-update-comment@a35cf36e5301d70b76f316e867e7788a55a31dae
+        uses: peter-evans/create-or-update-comment@c9fcb64660bc90ec1cc535646af190c992007c32
         with:
           comment-id: ${{ steps.find-comment.outputs.comment-id }}
           issue-number: ${{ steps.metadata.outputs.pr-number }}