Extend updateApp with force argument

[yuriksan]

PUT /v2/apps/{appId}

Change parameters of a running application. The new application parameters apply only to subsequently created tasks. Currently running tasks are restarted, while maintaining the minimumHealthCapacity

Parameters Name Type Description force boolean If the app is affected by a running deployment, then the update operation will fail. The current deployment can be overridden by setting the force query parameter. Default: false.

@RequestLine("PUT /v2/apps/{app_id}")
void updateApp(@Named("app_id") String appId, App app);