build(deps-dev): bump ts-jest from 26.4.2 to 26.4.3

Bumps [ts-jest](https://github.com/kulshekhar/ts-jest) from 26.4.2 to 26.4.3.
- [Release notes](https://github.com/kulshekhar/ts-jest/releases)
- [Changelog](https://github.com/kulshekhar/ts-jest/blob/master/CHANGELOG.md)
- [Commits](kulshekhar/ts-jest@v26.4.2...v26.4.3)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]