Update o2-linter.yml

Author: Physicistdana

.github/workflows/o2-linter.yml

@@ -2,7 +2,7 @@
 # Find issues in O2 code
 name: O2 linter
 
-#"on": [pull_request_target, push]
+on: [pull_request_target, push]
 permissions: {}
 env:
   BRANCH_MAIN: master