Ensure PGO image can be overriden in Helm (CrunchyData#57)

This has the PGO image match the same format of the other
related images that can be loaded in via Helm.

close CrunchyData#36

Author: jkatz

Diff for: helm/install/templates/manager.yaml

@@ -17,7 +17,7 @@ spec:
     spec:
       containers:
       - name: operator
-        image: "{{ .Values.image.repository }}/postgres-operator:{{ .Values.image.tag }}"
+        image: "{{ .Values.image.image }}"
         env:
         - name: CRUNCHY_DEBUG
           value: "true"

Diff for: helm/install/values.yaml

@@ -1,8 +1,7 @@
 ---
 ## Provide image repository and tag
 image:
-  repository: registry.developers.crunchydata.com/crunchydata
-  tag: ubi8-5.0.3-0
+  image: registry.developers.crunchydata.com/crunchydata/postgres-operator:ubi8-5.0.3-0
 
 relatedImages:
   postgres_14: