chore: revert back to original action

Author: DavideIadeluca

.github/workflows/REUSABLE_frontend.yml

@@ -160,7 +160,7 @@ jobs:
         working-directory: ${{ inputs.frontend_directory }}
 
       - name: JS Checks & Production Build
-        uses: glowingblue/action-build@di/custom-actor
+        uses: flarum/action-build@v4
         with:
           build_script: ${{ inputs.build_script }}
           build_typings_script: ${{ inputs.build_typings_script }}