chore(deps): bump rand in the cargo group across 1 directory

Bumps the cargo group with 1 update in the / directory: [rand](https://github.com/rust-random/rand).


Updates `rand` from 0.8.5 to 0.9.3
- [Release notes](https://github.com/rust-random/rand/releases)
- [Changelog](https://github.com/rust-random/rand/blob/0.9.3/CHANGELOG.md)
- [Commits](rust-random/rand@0.8.5...0.9.3)

---
updated-dependencies:
- dependency-name: rand
  dependency-version: 0.9.3
  dependency-type: direct:production
  dependency-group: cargo
...

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

Author: dependabot[bot]

Cargo.lock

@@ -16,7 +16,7 @@ num-bigint-dig = { version = "0.8", features = [
 ] }
 num-traits = "0.2"
 num-integer = "0.1"
-rand = "0.8"
+rand = "0.9"
 zeroize = { version = "1.8", features = ["derive"] }
 thiserror = "2"
 # Constant-time modular arithmetic for the decryption hot path (SECURITY-2).