Merge pull request #30659 from y-yagi/follow_up_of_30650

Use credentials in `storage.yml` template

railties/lib/rails/generators/rails/app/templates/config/storage.yml

@@ -10,7 +10,7 @@ local:
 # amazon:
 #   service: S3
 #   access_key_id: <%%= Rails.application.credentials.dig(:aws, :access_key_id) %>
-#   secret_access_key: <%%= Rails.application.secrets.dig(:aws, :secret_access_key) %>
+#   secret_access_key: <%%= Rails.application.credentials.dig(:aws, :secret_access_key) %>
 #   region: us-east-1
 #   bucket: your_own_bucket