add the pg version 16 (#2557)

* add the pg version 16

* add comma after pg16 in crds api

* change minimal_major_version to 12

* add new spilo image for pg16

* edit the registry from current and lazy spilo

* Update e2e/run.sh

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>

* Update README.md

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>

* add pg 11 to be compatible for the existing DBs

* update pq, pyyaml,k8s and kind version

* skip test_infrastructure_roles

* skip another test

* remove the skipping

* adjust the verification of new Patroni version states

---------

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>

manifests/complete-postgres-manifest.yaml

@@ -10,7 +10,7 @@ metadata:
 #    "delete-date": "2020-08-31"  # can only be deleted on that day if "delete-date "key is configured
 #    "delete-clustername": "acid-test-cluster"  # can only be deleted when name matches if "delete-clustername" key is configured
 spec:
-  dockerImage: ghcr.io/zalando/spilo-15:3.0-p1
+  dockerImage: ghcr.io/zalando/spilo-16:3.2-p2
   teamId: "acid"
   numberOfInstances: 2
   users:  # Application/Robot users
@@ -48,7 +48,7 @@ spec:
           defaultRoles: true
           defaultUsers: false
   postgresql:
-    version: "15"
+    version: "16"
     parameters:  # Expert section
       shared_buffers: "32MB"
       max_connections: "10"