Bump source-map-loader in /generators/client/templates/react
Bump source-map-loader in /generators/client/templates/react

Bumps [source-map-loader](https://github.com/webpack-contrib/source-map-loader) from 4.0.0 to 4.0.1.
- [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](https://github.com/webpack-contrib/source-map-loader/compare/v4.0.0...v4.0.1)

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

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
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