Bump tokio-current-thread from 0.1.5 to 0.1.6
Bump tokio-current-thread from 0.1.5 to 0.1.6

Bumps [tokio-current-thread](https://github.com/tokio-rs/tokio) from 0.1.5 to 0.1.6.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/compare/tokio-current-thread-0.1.5...tokio-current-thread-0.1.6)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
alex/otp-cop