Bump ad-m/github-push-action from 0.6.0 to 0.8.0

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@v0.6.0...v0.8.0)

---
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>

.github/workflows/release-pip.yml

@@ -108,7 +108,7 @@ jobs:
     - name: Push changes to gh-pages branch
       # this action is being triggered on release tags (named v*)
       if: "github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/v')"
-      uses: ad-m/github-push-action@v0.6.0
+      uses: ad-m/github-push-action@v0.8.0
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         branch: gh-pages