workspace: upgrade deps

packages/hydrooj/src/plugin-api.ts

@@ -5,7 +5,7 @@ import _ from 'lodash';
 import moment from 'moment-timezone';
 import Schema from 'schemastery';
 import superagent from 'superagent';
-import * as db from './service/db';
+import db from './service/db';
 export { ObjectID, ObjectId, FilterQuery } from 'mongodb';
 export * from './utils';
 export * from './interface';
@@ -37,6 +37,8 @@ export { default as TaskModel } from './model/task';
 export * from './model/builtin';
 export * as JudgeHandler from './handler/judge';
 export { postJudge } from './handler/judge';
+export { Collections } from './service/db';
+// export { Collections } from './interface';
 export { Service, Context } from './context';
 export { buildContent } from './lib/content';
 export * as validator from './lib/validator';