Update the ci trigger from pull_request to pull_request_target

Author: openvela-robot

.github/workflows/ci.yml

@@ -4,7 +4,7 @@ name: CI
 
 # Controls when the workflow will run
 on:
-  pull_request:
+  pull_request_target:
     types: [opened, reopened, synchronize]
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel