Feat: enable owner references (#2688)

* feat(498): Add ownerReferences to managed entities
* empty owner reference for cross namespace secret and more tests
* update ownerReferences of existing resources
* removing ownerReference requires Update API call
* CR ownerReference on PVC blocks pvc retention policy of statefulset
* make ownerreferences optional and disabled by default
* update unit test to check len ownerReferences
* update codegen
* add owner references e2e test
* update unit test
* add block_owner_deletion field to test owner reference
* fix typos and update docs once more
* reflect code feedback

---------

Co-authored-by: Max Begenau <max@begenau.com>

pkg/cluster/util.go

@@ -176,6 +176,10 @@ func (c *Cluster) logPDBChanges(old, new *policyv1.PodDisruptionBudget, isUpdate
 	}
 
 	logNiceDiff(c.logger, old.Spec, new.Spec)
+
+	if reason != "" {
+		c.logger.Infof("reason: %s", reason)
+	}
 }
 
 func logNiceDiff(log *logrus.Entry, old, new interface{}) {