Add bicep format to CI

.github/workflows/azure-bicep-validate.yaml

@@ -17,7 +17,18 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
-      - name: Azure CLI script
+      - name: Build Bicep
         uses: azure/CLI@v1
         with:
           inlineScript: az config set bicep.use_binary_from_path=false && az bicep build -f infra/main.bicep
+
+      - name: Format Bicep
+        uses: azure/CLI@v1
+        with:
+          inlineScript: az config set bicep.use_binary_from_path=false && az bicep format -f infra/main.bicep
+
+      - name: Format Bicep
+        uses: EndBug/add-and-commit@v9
+        with:
+          message: 'Update Bicep files'
+          add: '*.bicep'