Bump tokio from 1.42.0 to 1.43.0

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.42.0 to 1.43.0.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.42.0...tokio-1.43.0)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -52,7 +52,7 @@ features = ["rustls", "backtrace", "contexts", "panic", "reqwest", "tracing"]
 [dev-dependencies]
 aws-smithy-http = "0.60.10"
 aws-smithy-runtime = { version = "1.7.7", features=["client", "test-util"] }
-tokio = "1.26.0"
+tokio = "1.43.0"
 ctor = "0.2.9"
 actix-rt = "2.10.0"