Bump JamesIves/github-pages-deploy-action from 4.6.3 to 4.6.4 (#3681)

Bumps [JamesIves/github-pages-deploy-action](https://github.com/jamesives/github-pages-deploy-action) from 4.6.3 to 4.6.4.
- [Release notes](https://github.com/jamesives/github-pages-deploy-action/releases)
- [Commits](JamesIves/github-pages-deploy-action@94f3c65...920cbb3)

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

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

.github/workflows/generate-javadocs.yml

@@ -28,7 +28,7 @@ jobs:
         run: |
           ./gradlew aggregateJavadocs
       - name: Deploy
-        uses: JamesIves/github-pages-deploy-action@94f3c658273cf92fb48ef99e5fbc02bd2dc642b2 # pin@4.6.3
+        uses: JamesIves/github-pages-deploy-action@920cbb300dcd3f0568dbc42700c61e2fd9e6139c # pin@4.6.4
         with:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           BRANCH: gh-pages