build(deps): bump rand from 0.8.5 to 0.9.0

Bumps [rand](https://github.com/rust-random/rand) from 0.8.5 to 0.9.0.
- [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...0.9.0)

---
updated-dependencies:
- dependency-name: rand
  dependency-version: 0.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -33,7 +33,7 @@ futures = "0.3.31"
 serde_json = "1.0.140"
 reqwest = "0.12.15"
 tempfile = "3.13"
-rand = "0.8"
+rand = "0.9"
 
 parity-scale-codec = { version = "3", features = ["derive"] }
 pico-sdk = { git = "https://github.com/brevis-network/pico", features = ["coprocessor"] }