chore: bump rand from 0.8.5 to 0.9.1

Bumps [rand](https://github.com/rust-random/rand) from 0.8.5 to 0.9.1.
- [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...rand_core-0.9.1)

---
updated-dependencies:
- dependency-name: rand
  dependency-version: 0.9.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -36,7 +36,7 @@ serde = {version = "1.0.203", features = ["derive"]}
 serde-pickle = "1.1.0"
 serde_json = {version = "1.0.120"}
 bincode = "1.3.1"
-rand = "0.8.3"
+rand = "0.9.1"
 rand_distr = "0.4.0"
 
 [build-dependencies]