ozg-3938 fix disable grpc tls

src/main/helm/templates/deployment.yaml

@@ -82,7 +82,7 @@ spec:
                 optional: false
           {{- if .Values.disableGrpcTls }}
           - name: grpc_server_security_enabled
-            value: false
+            value: "false"
           {{- end }}
         image: "{{ .Values.image.repo }}/{{ .Values.image.name }}:{{ coalesce (.Values.image).tag "latest" }}"
         imagePullPolicy: Always

src/test/helm/deployment_grpc_tls_test.yaml

@@ -75,4 +75,4 @@ tests:
           path: spec.template.spec.containers[0].env
           content:
             name: grpc_server_security_enabled
-            value: false
+            value: "false"
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