build(deps): update rand requirement from 0.8 to 0.9

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@0.8.0...0.9.0)

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

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

Author: dependabot[bot]

Cargo.toml

@@ -43,7 +43,7 @@ hex = { version = "0.4", optional = true }
 hmac = { version = "0.12", optional = true }
 json-patch = { version = ">=0.2.3, <3.1.0", optional = true, default-features = false }
 md-5 = { version = "0.10", optional = true }
-rand = { version = "0.8", optional = true }
+rand = { version = "0.9", optional = true }
 semver = { version = "1", optional = true }
 sha1 = { version = "0.10", optional = true }
 sha2 = { version = "0.10", optional = true }