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...0.9.0)

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

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

Cargo.toml

@@ -18,7 +18,7 @@ tokio = { version = "1.25.0", default-features = false, features = ["signal", "r
 beam-lib = { git = "https://github.com/samply/beam", branch = "develop", features = ["http-util"] }
 laplace_rs = {git = "https://github.com/samply/laplace-rs.git", tag = "v0.5.0" }
 uuid = "1.8.0"
-rand = { default-features = false, version = "0.8.5" }
+rand = { default-features = false, version = "0.9.0" }
 futures-util = { version = "0.3", default-features = false, features = ["std"] }
 tryhard = "0.5"