Bump json5 and ts-loader in /dashboard

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


Updates `json5` from 2.1.3 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@v2.1.3...v2.2.3)

Updates `ts-loader` from 8.0.6 to 8.4.0
- [Release notes](https://github.com/TypeStrong/ts-loader/releases)
- [Changelog](https://github.com/TypeStrong/ts-loader/blob/main/CHANGELOG.md)
- [Commits](TypeStrong/ts-loader@v8.0.6...v8.4.0)

---
updated-dependencies:
- dependency-name: json5
  dependency-type: indirect
- dependency-name: ts-loader
  dependency-type: direct:development
...

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