Bump ad-m/github-push-action from 0.6.0 to 0.8.0 (#1971)

Bumps [ad-m/github-push-action](https://github.com/ad-m/github-push-action) from 0.6.0 to 0.8.0.
- [Release notes](https://github.com/ad-m/github-push-action/releases)
- [Commits](ad-m/github-push-action@40bf560...d91a481)

---
updated-dependencies:
- dependency-name: ad-m/github-push-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/deploy.yml

@@ -80,7 +80,7 @@ jobs:
           git config --local user.name "Selenium CI Bot"
           git commit -m "Update tag in docs and files [skip ci]" -a
       - name: Push changes
-        uses: ad-m/github-push-action@40bf560936a8022e68a3c00e7d2abefaf01305a6 # master
+        uses: ad-m/github-push-action@d91a481090679876dfc4178fef17f286781251df # master
         with:
           github_token: ${{ secrets.SELENIUM_CI_TOKEN }}
           branch: trunk