Bump JamesIves/github-pages-deploy-action from 4.7.1 to 4.7.3 (#43)

Bumps [JamesIves/github-pages-deploy-action](https://github.com/jamesives/github-pages-deploy-action) from 4.7.1 to 4.7.3.
- [Release notes](https://github.com/jamesives/github-pages-deploy-action/releases)
- [Commits](JamesIves/github-pages-deploy-action@v4.7.1...v4.7.3)

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

Author: dependabot[bot]

.github/workflows/build_docs.yml

@@ -47,7 +47,7 @@ jobs:
 
     - name: Publish to gh-pages if tagged
       if: startsWith(github.ref, 'refs/tags')
-      uses: JamesIves/github-pages-deploy-action@v4.7.1
+      uses: JamesIves/github-pages-deploy-action@v4.7.3
       with:
         branch: gh-pages
         folder: docs/build/html