Bump JamesIves/github-pages-deploy-action from 4.7.2 to 4.7.3 (#20)

Bumps [JamesIves/github-pages-deploy-action](https://github.com/jamesives/github-pages-deploy-action) from 4.7.2 to 4.7.3.
- [Release notes](https://github.com/jamesives/github-pages-deploy-action/releases)
- [Commits](JamesIves/github-pages-deploy-action@v4.7.2...v4.7.3)

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

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.github/workflows/docs-publish.yml

@@ -13,7 +13,7 @@ jobs:
         run: docker run --rm -v "$(pwd):/data" "phpdoc/phpdoc:3"
 
       - name: Deploy docs to GitHub Pages
-        uses: JamesIves/github-pages-deploy-action@v4.7.2
+        uses: JamesIves/github-pages-deploy-action@v4.7.3
         with:
           branch: gh-pages
           folder: docs