build(deps): bump rand_distr from 0.4.3 to 0.5.1

Bumps [rand_distr](https://github.com/rust-random/rand_distr) from 0.4.3 to 0.5.1.
- [Release notes](https://github.com/rust-random/rand_distr/releases)
- [Changelog](https://github.com/rust-random/rand_distr/blob/master/CHANGELOG.md)
- [Commits](rust-random/rand_distr@0.4.3...0.5.1)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -17,7 +17,7 @@ bytemuck = "1.21"
 thiserror = "2.0.9"
 
 [dev-dependencies]
-rand_distr = "0.4.3"
+rand_distr = "0.5.1"
 rand = "0.8"
 spl-merkle-tree-reference = { version = "0.1.0", path = "../merkle-tree-reference" }
 tokio = { version = "1.42", features = ["full"] }