chore(deps): bump contributor-assistant/github-action (#185)

Bumps [contributor-assistant/github-action](https://github.com/contributor-assistant/github-action) from 2.3.2 to 2.4.0.
- [Release notes](https://github.com/contributor-assistant/github-action/releases)
- [Commits](contributor-assistant/github-action@dbc1c64...9340315)

---
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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/dco.yml

@@ -15,7 +15,7 @@ jobs:
         if: (github.event.comment.body == 'recheck' || github.event.comment.body
           == 'I have read the DCO document and I hereby sign the DCO.') ||
           github.event_name == 'pull_request_target'
-        uses: contributor-assistant/github-action@dbc1c64d82d3aad5072007a41fff2828ae6d23ec #2.3.2
+        uses: contributor-assistant/github-action@9340315624c6e16cef1f2c63bdeb0f0c49c6f474 #2.4.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           PERSONAL_ACCESS_TOKEN: ${{ secrets.DCO_PERSONAL_ACCESS_TOKEN }}