build: bump ts-jest from 29.1.2 to 29.2.5 in /frontend

Bumps [ts-jest](https://github.com/kulshekhar/ts-jest) from 29.1.2 to 29.2.5.
- [Release notes](https://github.com/kulshekhar/ts-jest/releases)
- [Changelog](https://github.com/kulshekhar/ts-jest/blob/main/CHANGELOG.md)
- [Commits](kulshekhar/ts-jest@v29.1.2...v29.2.5)

---
updated-dependencies:
- dependency-name: ts-jest
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]