Bump tokio from 0.2.23 to 0.2.24 (#58)

Bumps [tokio](https://github.com/tokio-rs/tokio) from 0.2.23 to 0.2.24.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/commits)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Cargo.lock

@@ -1259,9 +1259,9 @@ checksum = "238ce071d267c5710f9d31451efec16c5ee22de34df17cc05e56cbc92e967117"
 
 [[package]]
 name = "tokio"
-version = "0.2.23"
+version = "0.2.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6d7ad61edd59bfcc7e80dababf0f4aed2e6d5e0ba1659356ae889752dfc12ff"
+checksum = "099837d3464c16a808060bb3f02263b412f6fafcb5d01c533d309985fbeebe48"
 dependencies = [
  "bytes",
  "fnv",