Update docs/modules/hbase/examples/getting_started/getting_started.sh.j2

Co-authored-by: Sebastian Bernauer <sebastian.bernauer@stackable.de>

Author: adwk67

docs/modules/hbase/examples/getting_started/getting_started.sh.j2

@@ -53,7 +53,7 @@ esac
 
 # As of SDP 26.3 CRDs are managed by the operator not helm, so there should be an initial delay
 # to allow the CRDs to be detected
-sleep 10
+until kubectl get crd hbaseclusters.hbase.stackable.tech >/dev/null 2>&1; do sleep 1; done 
 
 echo "Creating ZooKeeper cluster"
 # tag::install-zk[]