Update rand_xorshift requirement from 0.3.0 to 0.4.0

Updates the requirements on [rand_xorshift](https://github.com/rust-random/rngs) to permit the latest version.
- [Commits](rust-random/rngs@rand_xorshift-0.3.0...rand_xorshift-0.4.0)

---
updated-dependencies:
- dependency-name: rand_xorshift
  dependency-type: direct:production
...

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

Cargo.toml

@@ -35,7 +35,7 @@ clap = { version = "4.0", optional = true, features = ["cargo"] }
 clap_autocomplete = { version = "0.4", optional = true }
 poloto = { version = "19", optional = true, default-features = false }
 tagu = "0.1.6"
-rand_xorshift = { version = "0.3.0", optional = true }
+rand_xorshift = { version = "0.4.0", optional = true }
 
 [features]
 default = ["bin", "pretty", "completion", "regression", "ols", "percentile-rand", "generic-impls", "binary_search_rng", "random_subset_regression"]