Bump typescript from 4.0.5 to 4.1.2
Bump typescript from 4.0.5 to 4.1.2

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 4.0.5 to 4.1.2.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v4.0.5...v4.1.2)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
personnummer/js,personnummer/js,frozzare/is-personnummer