feat(ci): Add system tests check job to add in PR checks

Author: PerfectSlayer

.github/workflows/run-system-tests.yaml

@@ -62,3 +62,11 @@ jobs:
       scenarios_groups: tracer-release
       excluded_scenarios: CROSSED_TRACING_LIBRARIES,INTEGRATIONS_AWS,APM_TRACING_E2E_OTEL,APM_TRACING_E2E_SINGLE_SPAN,PROFILING  # require AWS and datadog credentials 
       skip_empty_scenarios: true
+
+  # Ensure the main job is run to completion
+  check:
+    runs-on: ubuntu-latest
+    needs:
+    - main
+    steps:
+    - run: exit