Update lefthook config to check when audit_events.md is updated directly

lefthook.yml

@@ -101,7 +101,7 @@ pre-push:
     audit_event_types_docs:
       tags: documentation
       files: git diff --name-only --diff-filter=d $(git merge-base origin/master HEAD)..HEAD
-      glob: '{config/audit_events/types/*.yml,ee/config/audit_events/types/*yml}'
+      glob: '{config/audit_events/types/*.yml,ee/config/audit_events/types/*yml,doc/administration/audit_event_streaming/audit_event_types.md}'
       run: bundle exec rake gitlab:audit_event_types:check_docs
     rubocop:
       tags: backend style