[stable/rabbitmq] Fix hardcoded service account name (#5158)

* [stable/rabbitmq] Fix hardcoded service account name

The service account name in rolebinding.yaml is currently hardcoded to rabbitmq. This change aligns it with the value the name the service account is actually created with: {{ template "rabbitmq.fullname" . }}

* [stable/rabbitmq] Bump chart version to 0.7.6

stable/rabbitmq/Chart.yaml

@@ -1,5 +1,5 @@
 name: rabbitmq
-version: 0.7.5
+version: 0.7.6
 appVersion: 3.7.4
 description: Open source message broker software that implements the Advanced Message Queuing Protocol (AMQP)
 keywords:

stable/rabbitmq/templates/rolebinding.yaml

@@ -10,7 +10,7 @@ metadata:
     heritage: "{{ .Release.Service }}"
 subjects:
 - kind: ServiceAccount
-  name: rabbitmq
+  name: {{ template "rabbitmq.fullname" . }}
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: Role