⬆️ Bump tracing-subscriber from 0.3.17 to 0.3.18

Bumps [tracing-subscriber](https://github.com/tokio-rs/tracing) from 0.3.17 to 0.3.18.
- [Release notes](https://github.com/tokio-rs/tracing/releases)
- [Commits](tokio-rs/tracing@tracing-subscriber-0.3.17...tracing-subscriber-0.3.18)

---
updated-dependencies:
- dependency-name: tracing-subscriber
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Cargo.toml

@@ -17,7 +17,7 @@ default = ["tts"]
 hyper = "0.14.27"
 polly = { git = "https://github.com/awslabs/aws-sdk-rust", tag = "v0.0.7-alpha", package = "aws-sdk-polly" }
 aws-types = { git = "https://github.com/awslabs/aws-sdk-rust", tag = "v0.0.7-alpha", package = "aws-types" }
-tracing-subscriber = { version = "0.3.17", features = ["fmt"] }
+tracing-subscriber = { version = "0.3.18", features = ["fmt"] }
 tiger = "0.2.1"
 rand = "0.8.5"
 serde_json = "1.0.108"