Bump tokio from 1.20.1 to 1.21.1

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.20.1 to 1.21.1.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/compare/tokio-1.20.1...tokio-1.21.1)

---
updated-dependencies:
- dependency-name: tokio
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Cargo.lock

@@ -1734,9 +1734,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.20.1"
+version = "1.21.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a8325f63a7d4774dd041e363b2409ed1c5cbbd0f867795e661df066b2b0a581"
+checksum = "0020c875007ad96677dcc890298f4b942882c5d4eb7cc8f439fc3bf813dc9c95"
 dependencies = [
  "autocfg",
  "bytes",

Cargo.toml

@@ -23,7 +23,7 @@ clap = { version = "3.2", features = [
   "unicode",
   "wrap_help",
 ] }
-tokio = { version = "1.20", features = ["full"] }
+tokio = { version = "1.21", features = ["full"] }
 futures = "0.3"
 anyhow = "1.0"
 governor = "0.4"