update values.yaml to modify configuration for vault based on helm values

General MR

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Relates #60 (closed)

chart/Chart.yaml

 apiVersion: v2
 name: vault
-version: 0.25.0-bb.7
+version: 0.25.0-bb.8
 appVersion: 1.14.6
 kubeVersion: ">= 1.20.0-0"
 description: Official HashiCorp Vault Chart