message: fix: `update` id is non-nullable
diff: @@ -29,7 +29,7 @@ export interface InternalServiceMethods<T = any> {
  _find (params?: Params): Promise<T | T[] | Paginated<T>>;
  _get (id: Id, params?: Params): Promise<T>;
  _create (data: Partial<T> | Array<Partial<T>>, params?: Params): Promise<T | T[]>;
  - _update (id: NullableId, data: T, params?: Params): Promise<T>;
  + _update (id: Id, data: T, params?: Params): Promise<T>;
  _patch (id: NullableId, data: Partial<T>, params?: Params): Promise<T>;
  _remove (id: NullableId, params?: Params): Promise<T>;
  }
  @@ -102,7 +102,7 @@ export class AdapterService<T = any> implements ServiceMethods<T> {
  return callMethod(this, '_create', data, params);
  }
  - update (id: NullableId, data: T, params?: Params): Promise<T> {
  + update (id: Id, data: T, params?: Params): Promise<T> {
  if (id === null || Array.isArray(data)) {
  return Promise.reject(new BadRequest(
  `You can not replace multiple instances. Did you mean 'patch'?`
  