Bump contributor-assistant/github-action in /.github/workflows

Bumps [contributor-assistant/github-action](https://github.com/contributor-assistant/github-action) from 2.2.0 to 2.6.0.
- [Release notes](https://github.com/contributor-assistant/github-action/releases)
- [Commits](contributor-assistant/github-action@v2.2.0...v2.6.0)

---
updated-dependencies:
- dependency-name: contributor-assistant/github-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/cla.yml

@@ -12,7 +12,7 @@ jobs:
       - name: "CLA Assistant"
         if: (github.event.comment.body == 'recheck' || github.event.comment.body == 'I have read the CLA Document and I hereby sign the CLA') || github.event_name == 'pull_request_target'
         # Beta Release
-        uses: contributor-assistant/github-action@v2.2.0
+        uses: contributor-assistant/github-action@v2.6.0
         env:
           GITHUB_TOKEN: ${{ secrets.BOT }}
           # the below token should have repo scope and must be manually added by you in the repository's secret