make sure env var is a string

templates/onlyoffice-deployment.yaml

@@ -60,7 +60,7 @@ spec:
             - name: AMQP_URI
               value: "amqp://user:{{ .Values.rabbitmq.rabbitmq.password }}@{{ .Release.Name }}-rabbitmq:{{ .Values.rabbitmq.service.port }}"
             - name: JWT_ENABLED
-              value: true
+              value: "true"
             - name: JWT_SECRET
               value: "{{ .Values.onlyoffice.jwtSecret }}"
             - name: DB_USER