Install rsync at export-web

Author: OverloadedOrama

.github/workflows/godot-ci-test.yml

@@ -89,6 +89,9 @@ jobs:
           mv /root/.local/share/godot/templates/${GODOT_VERSION}.stable ~/.local/share/godot/templates/${GODOT_VERSION}.stable
       - name: Web Build
         run: godot -v --export "HTML5" ./build/web/index.html
+      - name: Install rsync 📚
+        run: |
+          apt-get update && apt-get install -y rsync
       - name: Deploy 🚀
         uses: JamesIves/github-pages-deploy-action@releases/v3
         with: