Update JamesIves/github-pages-deploy-action action to v4.7.3

Author: renovate[bot]

.github/workflows/gh-pages-main.yml

@@ -26,7 +26,7 @@ jobs:
 
       # Reference: https://github.com/JamesIves/github-pages-deploy-action
       - name: Deploy 🚀
-        uses: JamesIves/github-pages-deploy-action@v4.5.0
+        uses: JamesIves/github-pages-deploy-action@v4.7.3
         with:
           branch: gh-pages
           folder: ghpages