Bump @types/istanbul-lib-coverage from 2.0.5 to 2.0.6

Bumps [@types/istanbul-lib-coverage](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/istanbul-lib-coverage) from 2.0.5 to 2.0.6.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/istanbul-lib-coverage)

---
updated-dependencies:
- dependency-name: "@types/istanbul-lib-coverage"
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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