Update rand requirement from 0.8.3 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@0.8.3...0.9.0)

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

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

Cargo.toml

@@ -37,7 +37,7 @@ foldhash = { version = "0.1.3", default-features = false }
 
 [dev-dependencies]
 bencher = "0.1.5"
-rand = "0.8.3"
+rand = "0.9.0"
 trybuild = "1.0.23"
 serde = { version = "1.0.117", features = ["derive"] }
 serde_test = "1.0.117"