Bump ctest from 0.2.6 to 0.2.7

Bumps [ctest](https://github.com/alexcrichton/ctest) from 0.2.6 to 0.2.7.
- [Release notes](https://github.com/alexcrichton/ctest/releases)
- [Commits](https://github.com/alexcrichton/ctest/commits/0.2.7

)

Signed-off-by: dependabot[bot] <support@dependabot.com>