don't fail job if changed label is missing

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

.github/workflows/pull-request-commit.yml

@@ -162,7 +162,7 @@ jobs:
         env:
           GH_TOKEN: ${{ github.token }}
           PR_NUMBER: ${{ github.event.pull_request.number }}
-        run: gh pr edit "$PR_NUMBER" --add-label "bot: fingerprint changed"
+        run: gh pr edit "$PR_NUMBER" --add-label "bot: fingerprint changed" || true
 
       - name: 🏷️ Remove fingerprint changed label
         if: ${{ !steps.fingerprint.outputs.includes-changes }}