BRE-609/update-workflows (#14666)

* update workflow branches

* additional workflow changes

* update scan file

.github/workflows/build-web-target.yml

@@ -8,10 +8,9 @@ name: Build Web on PR Target
 
 on:
   pull_request_target:
-    types: [opened, synchronize]
-    branches-ignore:
-      - 'l10n_master'
-      - 'cf-pages'
+    types: [opened, synchronize, reopened]
+    branches:
+      - main
     paths:
       - 'apps/web/**'
       - 'libs/**'