If "Environment key 'es2021' is unknown" Occurs in Nuxt+Typescript

When developing with Nuxt + TypeScript and updating dependencies,

Error: .eslintrc.js » @nuxtjs/eslint-config-typescript » @nuxtjs/eslint-config » eslint-config-standard:
 Environment key "es2021" is unknown

appears,

update eslint to version 7 or above.

package.json

"devDependencies": {
...
  "eslint": "^7.19.0",

npm install --also=dev