build(deps): update rand requirement from 0.8.5 to 0.9.0

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@0.8.5...0.8.5)

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

Signed-off-by: dependabot[bot] <[email protected]>

Cargo.toml

@@ -41,7 +41,7 @@ tracing = "0.1.40"
 tracing-subscriber = "0.3.19"
 tracing-appender = "0.2"
 thiserror = "2.0.9"
-rand = "0.8.5"
+rand = "0.9.0"
 smallvec = "1.13.2"
 tokio = "1.42"
 tokio-stream = "0.1.17"