CI: Bump JamesIves/github-pages-deploy-action from 4.6.1 to 4.6.3

Bumps [JamesIves/github-pages-deploy-action](https://github.com/jamesives/github-pages-deploy-action) from 4.6.1 to 4.6.3.
- [Release notes](https://github.com/jamesives/github-pages-deploy-action/releases)
- [Commits](https://github.com/jamesives/github-pages-deploy-action/compare/v4.6.1...v4.6.3)

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

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

.github/workflows/manpages.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Actually build website
         run: ./Meta/build-manpages-website.sh
       - name: Deploy to GitHub pages
-        uses: JamesIves/github-pages-deploy-action@v4.6.1
+        uses: JamesIves/github-pages-deploy-action@v4.6.3
         with:
           git-config-name: BuggieBot
           git-config-email: buggiebot@serenityos.org

.github/workflows/wasm.yml

@@ -93,7 +93,7 @@ jobs:
           tar --exclude='.[^/]*' -czvf libjs-wasm.tar.gz -C ${{ github.workspace }}/libjs-data .
 
       - name: Deploy to GitHub
-        uses: JamesIves/github-pages-deploy-action@v4.6.1
+        uses: JamesIves/github-pages-deploy-action@v4.6.3
         if: github.ref == 'refs/heads/master'
         with:
           git-config-name: BuggieBot