Support ESLint `v9`

[simensol]

Just a heads up, ESLint v9 was released recently and it seems to be incompatible with @vue/eslint-config-typescript. Here's the error I got:

npm ERR! ERESOLVE could not resolve
npm ERR! While resolving: @vue/[email protected]
npm ERR! Found: [email protected]
npm ERR! node_modules/eslint
npm ERR!   dev eslint@"^9.0.0" from the root project
npm ERR! Could not resolve dependency:
npm ERR! peer eslint@"^8.56.0" from @vue/[email protected]
npm ERR! node_modules/@vue/eslint-config-typescript
npm ERR!   dev @vue/eslint-config-typescript@"^13.0.0" from the root project
npm ERR! Conflicting peer dependency: [email protected]
npm ERR! node_modules/eslint
npm ERR!   peer eslint@"^8.56.0" from @vue/[email protected]
npm ERR!   node_modules/@vue/eslint-config-typescript
npm ERR!     dev @vue/eslint-config-typescript@"^13.0.0" from the root project