add compatibility with helm2

Author: anikievev

charts/postgres-operator/crds/postgresqls.yaml

@@ -142,7 +142,6 @@ spec:
                     - "transaction"
                 numberOfInstances:
                   type: integer
-                  minimum: 2
                 resources:
                   type: object
                   required:
@@ -216,7 +215,6 @@ spec:
                 pattern: '^\ *((Mon|Tue|Wed|Thu|Fri|Sat|Sun):(2[0-3]|[01]?\d):([0-5]?\d)|(2[0-3]|[01]?\d):([0-5]?\d))-((Mon|Tue|Wed|Thu|Fri|Sat|Sun):(2[0-3]|[01]?\d):([0-5]?\d)|(2[0-3]|[01]?\d):([0-5]?\d))\ *$'
             numberOfInstances:
               type: integer
-              minimum: 0
             patroni:
               type: object
               properties: