Fix stale wpeverest/.github reference to themegrill/.github

Author: lihsaa591

.github/workflows/pr-build-zip.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   zip:
-    uses: wpeverest/.github/.github/workflows/pr-build-zip.yml@master
+    uses: themegrill/.github/.github/workflows/pr-build-zip.yml@master
     with:
       node-version: '20.x'
       php-version: '7.4'