Bump sphinx-notes/pages from 2 to 3 (AtsushiSakai#884)

Bumps [sphinx-notes/pages](https://github.com/sphinx-notes/pages) from 2 to 3.
- [Release notes](https://github.com/sphinx-notes/pages/releases)
- [Commits](sphinx-notes/pages@v2...v3)

---
updated-dependencies:
- dependency-name: sphinx-notes/pages
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/gh-pages.yml

@@ -19,7 +19,7 @@ jobs:
         python -m pip install --upgrade pip
         python -m pip install -r requirements/requirements.txt
     - name: Build and Commit
-      uses: sphinx-notes/pages@v2
+      uses: sphinx-notes/pages@v3
       with:
         requirements_path: ./docs/doc_requirements.txt
     - name: Push changes