Upgrade dependencies

package.json

@@ -46,7 +46,7 @@
     "@types/ws": "^7.2.4",
     "@typescript-eslint/eslint-plugin": "^4.2.0",
     "@typescript-eslint/parser": "^4.2.0",
-    "concurrently": "^5.3.0",
+    "concurrently": "^6.0.0",
     "eslint": "^7.9.0",
     "jest": "^26.1.0",
     "maildev": "^1.1.0",

src/FileUploadMiddleware.ts

@@ -1,10 +1,10 @@
-import {IncomingForm} from "formidable";
+import Formidable from "formidable";
 import Middleware from "./Middleware";
 import {NextFunction, Request, Response} from "express";
 import {FileError, ValidationBag} from "./db/Validator";
 
 export default abstract class FileUploadMiddleware extends Middleware {
-    protected abstract makeForm(): IncomingForm;
+    protected abstract makeForm(): Formidable;
 
     protected abstract getDefaultField(): string;
 

src/Logger.ts

@@ -33,7 +33,7 @@ export const preventContextCorruptionMiddleware = (delegate: RequestHandler): Re
 ) => {
     const data = requestIdStorage.getStore() as string;
 
-    delegate(req, res, (err?: Error | 'router') => {
+    delegate(req, res, (err?: unknown | 'router') => {
         requestIdStorage.enterWith(data);
         next(err);
     });