Bump tokio from 1.17.0 to 1.18.2 (#182)

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.17.0 to 1.18.2.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/compare/tokio-1.17.0...tokio-1.18.2)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Dave G <davegallant@gmail.com>

Cargo.lock

@@ -1116,9 +1116,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.17.0"
+version = "1.18.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2af73ac49756f3f7c01172e34a23e5d0216f6c32333757c2c61feb2bbff5a5ee"
+checksum = "4903bf0427cf68dddd5aa6a93220756f8be0c34fcfa9f5e6191e103e15a31395"
 dependencies = [
  "bytes",
  "libc",

Cargo.toml

@@ -9,7 +9,7 @@ sendgrid = { version = "0.17.4", default-features = false, features = ["rustls",
 serde_derive = "1.0.112"
 serde = "1.0.136"
 reqwest = { version = "0.11", default-features = false, features = ["json", "rustls-tls"] }
-tokio = { version = "1.15", features = ["full"] }
+tokio = { version = "1.18", features = ["full"] }
 serde_json = "1.0.68"
 log = "0.4"
 pretty_env_logger = "0.4.0"