Bump tslib from 2.6.0 to 2.6.1 (#44)

Bumps [tslib](https://github.com/Microsoft/tslib) from 2.6.0 to 2.6.1.
- [Release notes](https://github.com/Microsoft/tslib/releases)
- [Commits](microsoft/tslib@2.6.0...v2.6.1)

---
updated-dependencies:
- dependency-name: tslib
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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