Fix CI linting false positives

CI lint jobs (e.g. https://gitlab.com/gitlab-org/gitlab-web-ide/-/jobs/2987311598) are passing even though eslint fails locally on macOS with the following error:

yarn run lint
Running prettier...
Checking formatting...
All matched files use Prettier code style!
Running eslint...

/Users/cwoolley/workspace/gitlab-web-ide/packages/example/config/vite.config.ts
  2:30  error  Unable to resolve path to module 'vite'                import/no-unresolved
  3:17  error  Unable to resolve path to module '@vitejs/plugin-vue'  import/no-unresolved

✖ 2 problems (2 errors, 0 warnings)

eslint complete. RC=1