remove runAsUser and runAsGroup as required for openshift use case

Author: Pidu2

charts/plugin-barman-cloud/values.schema.json

@@ -148,8 +148,6 @@
       "required": [
         "allowPrivilegeEscalation",
         "readOnlyRootFilesystem",
-        "runAsUser",
-        "runAsGroup",
         "seccompProfile",
         "capabilities"
       ],
@@ -479,4 +477,4 @@
     "certificate"
   ],
   "type": "object"
-}
+}