Bump @saberhq/tsconfig from 1.12.56 to 2.1.0

Bumps [@saberhq/tsconfig](https://github.com/saber-hq/saber-build-common) from 1.12.56 to 2.1.0.
- [Release notes](https://github.com/saber-hq/saber-build-common/releases)
- [Commits](https://github.com/saber-hq/saber-build-common/commits/v2.1.0)

---
updated-dependencies:
- dependency-name: "@saberhq/tsconfig"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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