try to run analyzer on PR as well?

.github/workflows/template-validation.yaml

@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12.x]
+        node-version: [20.x]
 
     steps:
     - uses: actions/checkout@v2

.github/workflows/template-warnings.yaml

@@ -0,0 +1,35 @@
+# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: Template Validation
+
+on:
+  pull_request:
+  push:
+    branches: master
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Get changed files
+        id: changed-files
+        uses: tj-actions/changed-files@v44
+        # To compare changes between the current commit and the last pushed remote commit set `since_last_remote_commit: true`. e.g
+        with:
+          since_last_remote_commit: true
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        working-directory: ./scripts
+        node-version: ${{ matrix.node-version }}
+    - run: npm install
+    - run: npm run analyze ${{ steps.changed-files.outputs.all_changed_files }}