Bump JamesIves/github-pages-deploy-action from 4.6.0 to 4.6.3

Bumps [JamesIves/github-pages-deploy-action](https://github.com/jamesives/github-pages-deploy-action) from 4.6.0 to 4.6.3.
- [Release notes](https://github.com/jamesives/github-pages-deploy-action/releases)
- [Commits](JamesIves/github-pages-deploy-action@v4.6.0...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] <[email protected]>

.github/workflows/build.yml

@@ -57,7 +57,7 @@ jobs:
 
       - name: Deploy documentation
         if: ${{ github.ref == 'refs/heads/main' }}
-        uses: JamesIves/[email protected].0
+        uses: JamesIves/[email protected].3
         with:
           branch: haddock
           folder: docs