Bump webpack-dev-middleware and nuxt

Bumps [webpack-dev-middleware](https://github.com/webpack/webpack-dev-middleware) to 5.3.4 and updates ancestor dependency [nuxt](https://github.com/nuxt/nuxt/tree/HEAD/packages/nuxt). These dependencies need to be updated together.


Updates `webpack-dev-middleware` from 4.3.0 to 5.3.4
- [Release notes](https://github.com/webpack/webpack-dev-middleware/releases)
- [Changelog](https://github.com/webpack/webpack-dev-middleware/blob/v5.3.4/CHANGELOG.md)
- [Commits](webpack/webpack-dev-middleware@v4.3.0...v5.3.4)

Updates `nuxt` from 2.15.8 to 2.17.3
- [Release notes](https://github.com/nuxt/nuxt/releases)
- [Commits](https://github.com/nuxt/nuxt/commits/v2.17.3/packages/nuxt)

---
updated-dependencies:
- dependency-name: webpack-dev-middleware
  dependency-type: indirect
- dependency-name: nuxt
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>