Update caller workflow to reduce cancellation noise

Author: shsagir

.github/workflows/MSecD-RequireWriterReview.yml

@@ -18,6 +18,15 @@ concurrency:
 
 jobs:
   require-writer-review:
-    if: github.repository_owner == 'MicrosoftDocs' || github.repository_owner == 'microsoftgraph'
+    # Skip noise from unrelated label events. Only react to labeled events when
+    # the label is one this workflow actually gates on. All other event types
+    # (opened, synchronize, reopened, issue_comment) always proceed.
+    if: >-
+      (github.repository_owner == 'MicrosoftDocs' || github.repository_owner == 'microsoftgraph')
+      && (
+        github.event.action != 'labeled'
+        || github.event.label.name == 'qualifies-for-auto-merge'
+        || github.event.label.name == 'blocked-qualifies-for-auto-merge'
+      )
     uses: MicrosoftDocs/defender-docs/.github/workflows/MSecD-Shared-RequireWriterReview.yml@workflows-test
-    secrets: inherit
+    secrets: inherit