Bump ts-jest from 25.5.0 to 29.1.2 (#6)

Bumps [ts-jest](https://github.com/kulshekhar/ts-jest) from 25.5.0 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@v25.5.0...v29.1.2)

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

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

package.json

@@ -52,7 +52,7 @@
         "@zeit/ncc": "^0.22.1",
         "jest": "^26.0.1",
         "jest-circus": "^26.0.1",
-        "ts-jest": "^25.5.0",
+        "ts-jest": "^29.1.2",
         "typescript": "^3.8.3",
         "prettier": "^2.0.5"
     }