chore(deps): update rand requirement in /AwsEncryptionSDK/runtimes/rust

Updates the requirements on [rand](https://github.com/rust-random/rand) to permit the latest version.
- [Release notes](https://github.com/rust-random/rand/releases)
- [Changelog](https://github.com/rust-random/rand/blob/master/CHANGELOG.md)
- [Commits](rust-random/rand@rand_core-0.9.2...0.10.0)

---
updated-dependencies:
- dependency-name: rand
  dependency-version: 0.10.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

AwsEncryptionSDK/runtimes/rust/Cargo.toml

@@ -28,7 +28,7 @@ cpu-time = "1.0.0"
 dafny_runtime = { path = "../../../mpl/smithy-dafny/TestModels/dafny-dependencies/dafny_runtime_rust", features = ["sync","small-int"]}
 dashmap = "6.1.0"
 pem = "3.0.6"
-rand = "0.9.2"
+rand = "0.10.0"
 tokio = {version = "1.49.0", features = ["full"] }
 uuid = { version = "1.19.0", features = ["v4"] }