chore(deps-dev): bump the dev-dependencies group

Bumps the dev-dependencies group in /reference-lib with 2 updates: [rollup](https://github.com/rollup/rollup) and [ts-jest](https://github.com/kulshekhar/ts-jest).


Updates `rollup` from 4.19.1 to 4.20.0
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v4.19.1...v4.20.0)

Updates `ts-jest` from 29.2.3 to 29.2.4
- [Release notes](https://github.com/kulshekhar/ts-jest/releases)
- [Changelog](https://github.com/kulshekhar/ts-jest/blob/main/CHANGELOG.md)
- [Commits](kulshekhar/ts-jest@v29.2.3...v29.2.4)

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

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

Author: dependabot[bot]