chore: Bump rand from 0.8.5 to 0.9.2

Bumps [rand](https://github.com/rust-random/rand) from 0.8.5 to 0.9.2.
- [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-0.9.2)

---
updated-dependencies:
- dependency-name: rand
  dependency-version: 0.9.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -41,7 +41,7 @@ url = "2.5.4"
 sha2 = "0.10.9"
 hex = "0.4.3"
 ed25519-dalek = { version = "2.2.0", features = ["rand_core", "pkcs8", "pem"] }
-rand = { version = "0.8", optional = true }
+rand = { version = "0.9", optional = true }
 polars = { version = "0.44", default-features = false, features = ["lazy", "dtype-datetime"], optional = true }
 
 [dev-dependencies]