chore(ci): remove labeled trigger and verified label condition

Remove the `labeled` trigger type from pull_request_target and the
associated `verified` label guard from the if condition. The check
now fires on opened and synchronize only, without requiring a label.

Author: sidj-thr

.github/workflows/check-approvals.yml

@@ -4,7 +4,7 @@ on:
   issue_comment:
     types: [created]
   pull_request:
-    types: [opened, labeled, synchronize]
+    types: [opened, synchronize]
 
 permissions:
   contents: read
@@ -23,11 +23,7 @@ jobs:
         github.event.issue.pull_request != null
       ) || (
         github.event_name == 'pull_request' &&
-        github.event.action == 'opened'
-      ) || (
-        github.event_name == 'pull_request' &&
-        (github.event.action == 'labeled' || github.event.action == 'synchronize') &&
-        contains(github.event.pull_request.labels.*.name, 'verified')
+        (github.event.action == 'opened' || github.event.action == 'synchronize')
       )
     steps:
       - name: Install @qvac/ci