Shorten action description

Author: Seldaek

action.yml

@@ -1,5 +1,5 @@
 name: 'API Surface Check for PHP'
-description: 'Comment on a pull request with the public API surface changes (added, removed, modified symbols) detected via static reflection. Designed to run from a workflow_run-triggered job — pair with a minimal pull_request "trigger" workflow that exists only to fire the workflow_run event.'
+description: 'Comment on a pull request with the public API surface changes (added, removed, modified symbols) detected via static reflection.'
 author: 'Composer'
 branding:
   icon: 'eye'