Update tokio requirement from 0.1.22 to 0.2.2

Updates the requirements on [tokio](https://github.com/tokio-rs/tokio) to permit the latest version.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/compare/tokio-0.1.22...tokio-0.2.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
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dependabot-preview[bot] 2019-12-03 16:00:14 +00:00 committed by GitHub
parent 49c5ebd9fb
commit a6e58dc07a
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@ -22,7 +22,7 @@ futures = "0.1.29"
hyper = "0.12.35"
jemallocator = "0"
native-tls = { version = "0.2.3", optional = true }
tokio = "0.1.22"
tokio = "0.2.2"
tokio-current-thread = "0.1.6"
tokio-timer = "0.2.11"
tokio-tls = { version = "0.2.1", optional = true }