Migrate away from deprecated eslint-config-react-app

[MikeMcC399]

Issue

• The ESLint configuration eslint-config-react-app belongs to the abandoned and unsupported deprecated https://github.com/facebook/create-react-app repo from the package https://github.com/facebook/create-react-app/tree/main/packages/eslint-config-react-app last published in April 2022.

cypress-realworld-app/package.json

Line 104 in 31b7fa5

"eslint-config-react-app": "^7.0.1",

• eslint-config-react-app is not available for ESLint v9, the lowest ESLint supported version, due to

  "peerDependencies": {
    "eslint": "^8.0.0"
  },

• PR Vite upgrade #1381 in July 2023 transitioned this repo from create-react-app to Vite

[MikeMcC399]

• PR made changes to the conifg #1586 attempted to resolve this issue - so far without success

[MikeMcC399]

From https://github.com/facebook/create-react-app

[MikeMcC399]

See also https://react.dev/blog/2025/02/14/sunsetting-create-react-app

[MikeMcC399]

• PR test(deps): reconfigure for ESLint v9 #1643 resolves this issue