chore: switch trigger

- should work with forks and avoids potential secutity issue?
amannn/action-semantic-pull-request#219

Author: BlairCurrey

.github/workflows/lint-pr.yaml

@@ -1,11 +1,7 @@
 name: 'Lint PR'
 
 on:
-  pull_request_target:
-    types:
-      - opened
-      - edited
-      - synchronize
+  pull_request:
 
 permissions:
   pull-requests: read