Polish "Apply conventions to existing Actions and Workflows"

See gh-42512

Author: snicoll

.github/actions/await-http-resource/action.yml

@@ -2,7 +2,7 @@ name: Await HTTP Resource
 description: 'Waits for an HTTP resource to be available (a HEAD request succeeds)'
 inputs:
   url:
-    description: 'The URL of the resource to await'
+    description: 'URL of the resource to await'
     required: true
 runs:
   using: composite