Allow external contributor

.github/workflows/parallel_tests.yml

@@ -5,7 +5,13 @@ name: Parallel Tests
 on:
   # Allow to repo owner to manually run this workflow for external PRs once code is vetted
   workflow_dispatch:
-
+
+  # Allow to repo owner to manually run this workflow for external PRs once code is vetted
+  # https://dev.to/petrsvihlik/using-environment-protection-rules-to-secure-secrets-when-building-external-forks-with-pullrequesttarget-hci
+  pull_request_target:
+    branches:
+      - dev
+
   # Run automatically for internal PRs and pushes
   pull_request:
     branches: