monitoring: upgrade kube-prometheus-stack

This also adds support for Ceph monitoring + alerts

Sem-Ver: feature
Change-Id: I01a3ceab040b5d8c4dfa33c423f4349c999fb88f
diff --git a/tools/generate-galaxy-yml.py b/tools/generate-galaxy-yml.py
index e3e6c29..d8e2163 100644
--- a/tools/generate-galaxy-yml.py
+++ b/tools/generate-galaxy-yml.py
@@ -14,7 +14,7 @@
         'ansible.utils': '2.5.2',
         'community.crypto': '2.2.3',
         'community.general': '4.5.0',
-        'kubernetes.core': '2.2.3',
+        'kubernetes.core': '2.3.2',
         'openstack.cloud': '1.7.0',
     },
     'build_ignore': [