fix the CLI docs workflow

Author: HarshCasper

.github/workflows/update-cli-docs.yml

@@ -1,6 +1,9 @@
 name: Update LocalStack CLI Docs
 
 on:
+  pull_request:
+    branches:
+      - main
   schedule:
     # Run on the 15th of every month at 00:00 UTC
     - cron: "0 0 15 * *"
@@ -40,6 +43,12 @@ jobs:
         working-directory: docs
         run: |
           python3 scripts/generate_cli_docs.py
+        env:
+          LOCALSTACK_AUTH_TOKEN: ${{ secrets.LOCALSTACK_AUTH_TOKEN }}
+      
+      - name: Test
+        run: |
+          cat src/content/docs/aws/tooling/localstack-cli.md
 
       - name: Check for changes
         id: check-for-changes