feat(pxc): update charts to 1.16.0

Author: lots0logs

charts/percona-xtradb-cluster-operator/Chart.yaml

@@ -14,8 +14,8 @@ type: application
 
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
-version: 1.15.2
+version: 1.16.1
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application.
-appVersion: 1.15.1
+appVersion: 1.16.1