build(deps): 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

@@ -15,7 +15,7 @@ getrandom = { version = "0.2", features = ["wasm-bindgen"] }
 gloo-utils = { version = "0.2", features = ["serde"] }
 ironcore-search-helpers = "0.2"
 js-sys = "0.3"
-rand = "0.8"
+rand = "0.9"
 rand_chacha = "0.3"
 recrypt = { version = "0.14", features = ["wasm"], default-features = false }
 serde = "1"