refactor: only trigger material.aio workflows when files touched in that folder

Author: alexeagle

.github/workflows/ci.material-aio.yml

@@ -5,6 +5,8 @@ on:
     branches:
       - main
       - '[0-9]+.[0-9]+.x'
+    paths:
+      - 'material.angular.io/**'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}

.github/workflows/pr.material-aio.yml

@@ -3,6 +3,8 @@ name: 'CI (material.angular.io)'
 on:
   pull_request:
     types: [opened, synchronize, reopened]
+    paths:
+      - 'material.angular.io/**'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}