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-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -40,7 +40,7 @@ multihash = "^0.19"
 multihash-codetable = { version = "^0.1", features = ["blake2b"] }
 nom = "^7" # This must match the unsigned-varint version.
 once_cell = "^1.20"
-rand = "^0.8" # This must match the ed25519-dalek version.
+rand = "^0.9" # This must match the ed25519-dalek version.
 rayon = "^1.10"
 printpdf = { version = "^0.6", features = ["svg"] }
 qrcode = "^0.14"