Bump tokio from 1.13.0 to 1.15.0 (#132)

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.13.0 to 1.15.0.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/compare/tokio-1.13.0...tokio-1.15.0)

---
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>

Cargo.lock

@@ -1058,11 +1058,10 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.13.0"
+version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "588b2d10a336da58d877567cd8fb8a14b463e2104910f8132cd054b4b96e29ee"
+checksum = "fbbf1c778ec206785635ce8ad57fe52b3009ae9e0c9f574a728f3049d3e55838"
 dependencies = [
- "autocfg",
  "bytes",
  "libc",
  "memchr",
@@ -1078,9 +1077,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-macros"
-version = "1.3.0"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54473be61f4ebe4efd09cec9bd5d16fa51d70ea0192213d754d2d500457db110"
+checksum = "b557f72f448c511a979e2564e55d74e6c4432fc96ff4f6241bc6bded342643b7"
 dependencies = [
  "proc-macro2",
  "quote",

Cargo.toml

@@ -9,7 +9,7 @@ sendgrid = { version = "0.17.4", default-features = false, features = ["rustls",
 serde_derive = "1.0.112"
 serde = "1.0.132"
 reqwest = { version = "0.11", default-features = false, features = ["json", "rustls-tls"] }
-tokio = { version = "1.13", features = ["full"] }
+tokio = { version = "1.15", features = ["full"] }
 serde_json = "1.0.68"
 log = "0.4"
 pretty_env_logger = "0.4.0"