fix(release): skip Release/Bump commits in nightly gate

Match monorepo guardrail so release commits do not re-trigger the gate.

.github/workflows/nightly-release-gate.yml

@@ -39,7 +39,9 @@ jobs:
         github.event_name == 'workflow_run' &&
         github.event.workflow_run.conclusion == 'success' &&
         github.event.workflow_run.head_branch == 'main' &&
-        github.event.workflow_run.event == 'push'
+        github.event.workflow_run.event == 'push' &&
+        !startsWith(github.event.workflow_run.head_commit.message, 'Release v') &&
+        !startsWith(github.event.workflow_run.head_commit.message, 'Bump ')
       )
     runs-on: ubuntu-latest
     env: