chore(deps): bump peter-evans/find-comment from 3 to 4

Bumps [peter-evans/find-comment](https://github.com/peter-evans/find-comment) from 3 to 4.
- [Release notes](https://github.com/peter-evans/find-comment/releases)
- [Commits](peter-evans/find-comment@v3...v4)

---
updated-dependencies:
- dependency-name: peter-evans/find-comment
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/paper_image_cleanup.yml

@@ -79,7 +79,7 @@ jobs:
       - name: Find existing paper-image bot comment
         id: find-comment
         if: steps.comment-body.outputs.exists == 'true'
-        uses: peter-evans/find-comment@v3
+        uses: peter-evans/find-comment@v4
         with:
           issue-number: ${{ github.event.pull_request.number }}
           body-includes: "<!-- pysr-paper-image-bot -->"