fix(base-cluster/rbac): whitespace trimming (#1608)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Style**
* Improved formatting of rendered output in account-related
configuration templates for better readability.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: cwrau

charts/base-cluster/templates/rbac/accounts.yaml

@@ -20,5 +20,5 @@ metadata:
   annotations:
     kubernetes.io/service-account.name: {{ $fullName }}
 type: kubernetes.io/service-account-token
-  {{ end -}}
-{{- end -}}
+  {{- end }}
+{{ end -}}