Fix build.yml workflow triggers for pull requests to include 'rel/weekly' branch

Author: Arlodotexe

.github/workflows/build.yml

@@ -8,9 +8,9 @@ name: CI
 on:
   # Triggers the workflow on push or pull request events but only for the main branch
   push:
-    branches: [ main, 'rel/weekly' ]
-  pull_request:
     branches: [ main ]
+  pull_request:
+    branches: [ main, 'rel/weekly' ]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch: