chore(deps-dev): bump source-map-loader from 2.0.2 to 4.0.0

Bumps [source-map-loader](https://github.com/webpack-contrib/source-map-loader) from 2.0.2 to 4.0.0.
- [Release notes](https://github.com/webpack-contrib/source-map-loader/releases)
- [Changelog](https://github.com/webpack-contrib/source-map-loader/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/source-map-loader@v2.0.2...v4.0.0)

---
updated-dependencies:
- dependency-name: source-map-loader
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]