bump to v2.0 (#3134)

* bump to v2.0
* update docs and remove some diagrams
* update crd in charts dir
* update helm charts
* reflect docs feedback

charts/postgres-operator/values.yaml

@@ -1,7 +1,7 @@
 image:
   registry: ghcr.io
   repository: zalando/postgres-operator
-  tag: v1.15.1
+  tag: v2.0.0
   pullPolicy: "IfNotPresent"
 
 # Optionally specify an array of imagePullSecrets.
@@ -41,7 +41,7 @@ configGeneral:
   # etcd connection string for Patroni. Empty uses K8s-native DCS.
   etcd_host: ""
   # Spilo docker image
-  docker_image: ghcr.io/zalando/spilo-18:4.1-p1
+  docker_image: ghcr.io/zalando/spilo-18:4.1-p2
 
   # key name for annotation to ignore globally configured instance limits
   # ignore_instance_limits_annotation_key: ""
@@ -385,7 +385,7 @@ configLogicalBackup:
   # logical_backup_memory_request: ""
 
   # image for pods of the logical backup job (example runs pg_dumpall)
-  logical_backup_docker_image: "ghcr.io/zalando/postgres-operator/logical-backup:v1.15.1"
+  logical_backup_docker_image: "ghcr.io/zalando/postgres-operator/logical-backup:v2.0.0"
   # path of google cloud service account json file
   # logical_backup_google_application_credentials: ""