fix ESLint errors and update config

.eslintignore

@@ -1,6 +1,3 @@
-db/migration
 coverage
-loadtests
-public/dist
-tests
-dist
+dist
+scripts

.eslintrc.json

@@ -1,7 +1,7 @@
 {
     "env": {
         "browser": true,
-        "es2021": true,
+        "es2022": true,
         "node": true,
         "jest": true
     },

src/routes/user.js

@@ -3,7 +3,6 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 import express from 'express'
-import { Router } from 'express'
 
 import { asyncMiddleware } from '../middleware/util.js'
 import { requireSessionUser } from '../middleware/auth.js'
@@ -20,7 +19,7 @@ import {
 import { unsubscribeFromEmails } from '../utils/email.js'
 import AppConstants from '../appConstants.js'
 
-const router = Router()
+const router = express.Router()
 
 // dashboard page
 // MNTOR-1327: for v2 release, we want to temp redirect users from dashboard