Roll deployment if auth secrets change

Previously we introduced the feature to roll the pods of the CouchDB
deployment if general config settings changed. This patch extends that
behavior to changes in authentication secrets; i.e., server admin
credentials and the cookie auth secret.

couchdb/templates/statefulset.yaml

@@ -20,6 +20,7 @@ spec:
 {{ include "couchdb.ss.selector" . | indent 8 }}
       annotations:
         checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
+        checksum/secret: {{ include (print $.Template.BasePath "/secrets.yaml") . | sha256sum }}
 {{- if .Values.annotations }}
 {{ toYaml .Values.annotations | indent 8 }}
 {{- end }}