Bump merge, jest and ts-jest

Removes [merge](https://github.com/yeikos/js.merge). It's no longer used after updating ancestor dependencies [merge](https://github.com/yeikos/js.merge), [jest](https://github.com/jestjs/jest/tree/HEAD/packages/jest) and [ts-jest](https://github.com/kulshekhar/ts-jest). These dependencies need to be updated together.


Removes `merge`

Updates `jest` from 23.6.0 to 29.7.0
- [Release notes](https://github.com/jestjs/jest/releases)
- [Changelog](https://github.com/jestjs/jest/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jestjs/jest/commits/v29.7.0/packages/jest)

Updates `ts-jest` from 22.4.2 to 29.1.2
- [Release notes](https://github.com/kulshekhar/ts-jest/releases)
- [Changelog](https://github.com/kulshekhar/ts-jest/blob/main/CHANGELOG.md)
- [Commits](kulshekhar/ts-jest@v22.4.2...v29.1.2)

---
updated-dependencies:
- dependency-name: merge
  dependency-type: indirect
- dependency-name: jest
  dependency-type: direct:development
- dependency-name: ts-jest
  dependency-type: direct:development
...

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