build(deps): bump json5 and webpack

Bumps [json5](https://github.com/json5/json5) to 2.2.3 and updates ancestor dependency [webpack](https://github.com/webpack/webpack). These dependencies need to be updated together.


Updates `json5` from 2.1.0 to 2.2.3
- [Release notes](https://github.com/json5/json5/releases)
- [Changelog](https://github.com/json5/json5/blob/main/CHANGELOG.md)
- [Commits](json5/json5@v2.1.0...v2.2.3)

Updates `webpack` from 3.12.0 to 5.75.0
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v3.12.0...v5.75.0)

---
updated-dependencies:
- dependency-name: json5
  dependency-type: indirect
- dependency-name: webpack
  dependency-type: direct:production
...

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