Bump aws-smithy-types from 1.3.6 to 1.4.0

Bumps [aws-smithy-types](https://github.com/smithy-lang/smithy-rs) from 1.3.6 to 1.4.0.
- [Release notes](https://github.com/smithy-lang/smithy-rs/releases)
- [Changelog](https://github.com/smithy-lang/smithy-rs/blob/main/CHANGELOG.md)
- [Commits](https://github.com/smithy-lang/smithy-rs/commits)

---
updated-dependencies:
- dependency-name: aws-smithy-types
  dependency-version: 1.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -109,7 +109,7 @@ aws-sdk-s3 = { version = "1.120", default-features = false, optional = true }
 aws-config = { version = "1.8", default-features = false, features = ["rt-tokio", "behavior-version-latest"], optional = true }
 aws-credential-types = { version = "1", default-features = false, features = ["hardcoded-credentials"], optional = true }
 aws-smithy-runtime-api = { version = "1.10", default-features = false, optional = true }
-aws-smithy-types = { version = "1.3", default-features = false, optional = true }
+aws-smithy-types = { version = "1.4", default-features = false, optional = true }
 google-cloud-storage = { version = "0.24.0", default-features = false, features = ["rustls-tls", "auth"], optional = true }
 reqwest-middleware = { version = "0.4", optional = true }