build(deps): bump webpack-dev-server (#784)

Bumps the npm_and_yarn group with 1 update in the /docs_v2 directory: [webpack-dev-server](https://github.com/webpack/webpack-dev-server).


Updates `webpack-dev-server` from 4.15.2 to 5.2.2
- [Release notes](https://github.com/webpack/webpack-dev-server/releases)
- [Changelog](https://github.com/webpack/webpack-dev-server/blob/main/CHANGELOG.md)
- [Commits](webpack/webpack-dev-server@v4.15.2...v5.2.2)

---
updated-dependencies:
- dependency-name: webpack-dev-server
  dependency-version: 5.2.2
  dependency-type: indirect
  dependency-group: npm_and_yarn
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]