build(core): fix add back lint pr to merge queue? (#1287)

**Motivation**
Somehow removing this caused the merge queue to not be triggered :/

.github/workflows/lint_pr_title.yml

@@ -1,6 +1,7 @@
 name: Lint PR title
 
 on:
+  merge_group:
   pull_request_target:
     types:
       - opened
@@ -10,6 +11,8 @@ on:
 jobs:
   main:
     name: Validate PR title
+    # Skip step for events that are not pull request targets as it currenlty fails when ran in the merge queue
+    if: github.event_name == 'pull_request_target'
     runs-on: ubuntu-latest
     steps:
       - uses: amannn/action-semantic-pull-request@v5