Bump mshick/add-pr-comment from 2 to 3 (#269)

Bumps [mshick/add-pr-comment](https://github.com/mshick/add-pr-comment) from 2 to 3.
- [Release notes](https://github.com/mshick/add-pr-comment/releases)
- [Changelog](https://github.com/mshick/add-pr-comment/blob/main/CHANGELOG.md)
- [Commits](mshick/add-pr-comment@v2...v3)

---
updated-dependencies:
- dependency-name: mshick/add-pr-comment
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Max Ostapenko <1611259+max-ostapenko@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/test.yml

@@ -90,7 +90,7 @@ jobs:
           fi
 
       - name: Add comment with results
-        uses: mshick/add-pr-comment@v2
+        uses: mshick/add-pr-comment@v3
         if: steps.unit-test.outcome == 'success' || steps.wpt-test.outcome == 'success'
         with:
           refresh-message-position: true