fix: Change Azure credentials to use GitHub secrets

fUpdated Azure credentials to use secrets for security.

Author: Prajwal-Microsoft

.github/workflows/azd-template-validation.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+      - pipeline-fix
 
 permissions:
   contents: read
@@ -23,12 +24,12 @@ jobs:
           useDevContainer: ${{ vars.TEMPLATE_USE_DEV_CONTAINER }}
         id: validation
         env:
-          AZURE_CLIENT_ID: ${{ vars.AZURE_CLIENT_ID }}
-          AZURE_TENANT_ID: ${{ vars.AZURE_TENANT_ID }}
-          AZURE_SUBSCRIPTION_ID: ${{ vars.AZURE_SUBSCRIPTION_ID }}
+          AZURE_CLIENT_ID: ${{ secrets.AZURE_CLIENT_ID }}
+          AZURE_TENANT_ID: ${{ secrets.AZURE_TENANT_ID }}
+          AZURE_SUBSCRIPTION_ID: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
           AZURE_ENV_NAME: ${{ vars.AZURE_ENV_NAME }}
           AZURE_LOCATION: ${{ vars.AZURE_LOCATION }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: print result
-        run: cat ${{ steps.validation.outputs.resultFile }}
+        run: cat ${{ steps.validation.outputs.resultFile }}