Bump JamesIves/github-pages-deploy-action from 4.3.4 to 4.4.0

Bumps [JamesIves/github-pages-deploy-action](https://github.com/JamesIves/github-pages-deploy-action) from 4.3.4 to 4.4.0.
- [Release notes](https://github.com/JamesIves/github-pages-deploy-action/releases)
- [Commits](JamesIves/github-pages-deploy-action@v4.3.4...v4.4.0)

---
updated-dependencies:
- dependency-name: JamesIves/github-pages-deploy-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/ci.yml

@@ -47,7 +47,7 @@ jobs:
       run: sbt -v "testOnly *index* -- html html.search html.toc html.nostats html.outdir target/specs2-reports/site all"
     - name: Push to gh-pages
       if: ${{ !github.event.repository.fork && github.ref == 'refs/heads/master' && github.event_name == 'push' }}
-      uses: JamesIves/github-pages-deploy-action@v4.3.4
+      uses: JamesIves/github-pages-deploy-action@v4.4.0
       with:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         BRANCH: gh-pages