Disable 'check_owner' for Tekton Result watcher

This will enable the clean up of all PipelineRuns, including
those having ownerReferences set to RHTAP resources.

Once the flag has been confirmed to work successfully, the
default Pipelines pruner can be removed.

rh-pre-commit.version: 2.0.3
rh-pre-commit.check-secrets: ENABLED

operator/gitops/argocd/pipeline-service/tekton-results/watcher-config.yaml

@@ -17,6 +17,8 @@ spec:
               "tekton-results-api-service.tekton-results.svc.cluster.local:8080",
               "-auth_mode",
               "token",
+              "-check_owner",
+              "false",
               "-completed_run_grace_period",
               "10m",
             ]