build(deps): bump tslib from 1.9.2 to 1.9.3 in /packages/stryker-karma-runner (#903)
build(deps): bump tslib from 1.9.2 to 1.9.3 in /packages/stryker-karma-runner (#903)

Bumps [tslib](https://github.com/Microsoft/tslib) from 1.9.2 to 1.9.3.
- [Release notes](https://github.com/Microsoft/tslib/releases)
- [Commits](https://github.com/Microsoft/tslib/compare/1.9.2...1.9.3)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
stryker-mutator/stryker,stryker-mutator/stryker,stryker-mutator/stryker