Bump tokio from 0.3.1 to 0.3.2

Bumps [tokio](https://github.com/tokio-rs/tokio) from 0.3.1 to 0.3.2.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/compare/tokio-0.3.1...tokio-0.3.2)

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

Cargo.lock

@@ -918,9 +918,9 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1911a203c5c240fd237e23a42e48846475f3d3b1e1dad3f17e6cc17a775b707c"
+checksum = "71f1b20504fd0aa9dab3ae17e8c4dd9431e5e08fd6921689f9745a4004883a17"
 dependencies = [
  "bytes 0.6.0",
  "fnv",
@@ -974,7 +974,7 @@ dependencies = [
  "futures-sink",
  "log",
  "pin-project-lite",
- "tokio 0.3.1",
+ "tokio 0.3.2",
 ]
 
 [[package]]
@@ -1049,7 +1049,7 @@ dependencies = [
  "log",
  "serde",
  "serde_json",
- "tokio 0.3.1",
+ "tokio 0.3.2",
  "tokio-util 0.4.0",
  "toml",
  "warp",