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] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -25,7 +25,7 @@ pico-vm = { workspace = true }
 serde_json = { workspace = true }
 reqwest = { workspace = true, features = ["stream"] }
 tempfile.workspace = true
-rand = "0.8"
+rand = "0.9"
 
 [dev-dependencies]
 blueprint-sdk = { workspace = true, features = ["testing", "tangle"] }