refactor(backend): use node16 for moduleResolution (#10938)

* refactor(backend): use node16 for moduleResolution

* update deps

* Update tsconfig.json

* ✌️

* revive KEYWORD

* restore strict-event-emitter-types dependency

* restore ms dependency

* cancel redundant import reorder

* fix

* Delete ms.ts

* remove rndstr

---------

Co-authored-by: Kagami Sascha Rosylight <saschanaz@outlook.com>

packages/backend/src/server/api/endpoint-base.ts

@@ -1,11 +1,13 @@
 import * as fs from 'node:fs';
-import Ajv from 'ajv';
+import _Ajv from 'ajv';
 import type { Schema, SchemaType } from '@/misc/json-schema.js';
 import type { LocalUser } from '@/models/entities/User.js';
 import type { AccessToken } from '@/models/entities/AccessToken.js';
 import { ApiError } from './error.js';
 import type { IEndpointMeta } from './endpoints.js';
 
+const Ajv = _Ajv.default;
+
 const ajv = new Ajv({
 	useDefaults: true,
 });