update actions to have auth example tests run weekly

Author: ekjotmultani

.github/workflows/amplify_auth_cognito_example.yaml

@@ -145,7 +145,7 @@ on:
       - 'packages/worker_bee/worker_bee_builder/lib/**/*.dart'
       - 'packages/worker_bee/worker_bee_builder/pubspec.yaml'
   schedule:
-    - cron: "0 13 * * *" # Everyday at 06:00 PST
+    - cron: "0 13 * * 1" # Every Monday at 06:00 PST
   workflow_dispatch:
 defaults:
   run:

.github/workflows/amplify_authenticator_example.yaml

@@ -137,7 +137,7 @@ on:
       - 'packages/worker_bee/worker_bee_builder/lib/**/*.dart'
       - 'packages/worker_bee/worker_bee_builder/pubspec.yaml'
   schedule:
-    - cron: "0 13 * * *" # Everyday at 06:00 PST
+    - cron: "0 13 * * 1" # Every Monday at 06:00 PST
   workflow_dispatch:
 defaults:
   run: