chore(deps): bump marocchino/sticky-pull-request-comment from 2 to 3

Bumps [marocchino/sticky-pull-request-comment](https://github.com/marocchino/sticky-pull-request-comment) from 2 to 3.
- [Release notes](https://github.com/marocchino/sticky-pull-request-comment/releases)
- [Commits](marocchino/sticky-pull-request-comment@v2...v3)

---
updated-dependencies:
- dependency-name: marocchino/sticky-pull-request-comment
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/functional.yml

@@ -356,7 +356,7 @@ jobs:
 
       - name: Post Loadtest results to PR
         if: github.event_name == 'pull_request'
-        uses: marocchino/sticky-pull-request-comment@v2
+        uses: marocchino/sticky-pull-request-comment@v3
         with:
           header: loadtest
           message: |