Disable pull request trigger of core repo tests

Signed-off-by: Hannes Pohnke <152732225+hpfref@users.noreply.github.com>

Author: hpfref

.github/workflows/pr.yml

@@ -16,9 +16,9 @@ name: "PR"
 
 on:
   # Trigger the workflow on pull request
-  pull_request:
-    branches: [main, develop]
-    types: [opened, synchronize, reopened]
+  #pull_request:
+  #  branches: [main, develop]
+  #  types: [opened, synchronize, reopened]
 
 jobs:
   job_run_unit_tests: