ozg-3938 fix disable grpc

src/main/helm/templates/deployment.yaml

@@ -221,7 +221,7 @@ spec:
 
           {{- if .Values.disableGrpcTls }}
           - name: grpc_server_security_enabled
-            value: false
+            value: "false"
           {{- end }}
 
         {{- if or (.Values.database).useExternal (.Values.ozgcloudProxyApi).apikey }}

src/test/helm/deployment_grpc_tls_test.yaml

@@ -93,4 +93,4 @@ tests:
           path: spec.template.spec.containers[0].env
           content:
             name: grpc_server_security_enabled
-            value: false
\ No newline at end of file
+            value: "false"
\ No newline at end of file