add empty lines in .github/workflows/PRTesting.yml

Author: MatthiasBSchaefer

.github/workflows/PRTesting.yml

@@ -1,4 +1,5 @@
 name: CI ReSim
+
 on:
   workflow_run:
     workflows: ["Trigger CI ReSim"]
@@ -10,6 +11,7 @@ env:
     TESTING_TOOLS: ${{ vars.LTX_TESTING_TOOLS }}
     EVENT_NUMBER: ${{ github.event.workflow_run.env.EVENT_NUMBER }}
     PR_SHA: ${{ github.event.workflow_run.env.PR_SHA }}
+
 jobs:
   prepare:
     runs-on: [ self-hosted, Linux, regression_testing ]