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] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -49,7 +49,7 @@ itertools = "0.14"
 ndarray = "0.16.0"
 ndarray-rand = "0.15.0"
 protobuf = { version = "3.3", features = ["with-bytes"] }
-rand = "0.8.5"
+rand = "0.9.1"
 rand_chacha = "0.3.1"
 rand_distr = "0.4.3"
 rayon = "1.10.0"