Bump actions/upload-pages-artifact from 2 to 3 (#292)

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

---
updated-dependencies:
- dependency-name: actions/upload-pages-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/gh-pages.yml

@@ -52,7 +52,7 @@ jobs:
 
       - name: Upload artifact
         if: ${{ github.event_name != 'pull_request' && (github.event_name == 'release' || github.event_name == 'workflow_dispatch' ) }}
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v3
         with:
           # Upload book repository
           path: './docs/book/html'