Add Claude authorship enforcement for team-inbox PRs

Author: faizzed

.github/workflows/enforce-claude-authored-prs.yml

@@ -0,0 +1,12 @@
+name: Claude PR check
+
+on:
+  pull_request:
+    types: [opened, edited, synchronize, labeled, unlabeled]
+
+jobs:
+  enforce:
+    uses: intercom/github-action-workflows/.github/workflows/enforce-claude-authored-prs.yml@main
+    with:
+      team_slug: team-inbox
+    secrets: inherit