Update ndarray-npy requirement from 0.8 to 0.9

Updates the requirements on [ndarray-npy](https://github.com/jturner314/ndarray-npy) to permit the latest version.
- [Changelog](https://github.com/jturner314/ndarray-npy/blob/master/RELEASES.md)
- [Commits](jturner314/ndarray-npy@0.8.0...0.9.1)

---
updated-dependencies:
- dependency-name: ndarray-npy
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.lock

@@ -32,7 +32,7 @@ ndarray = { version = "0.15", features = ["rayon", "approx"] }
 ndarray-linalg = { version = "0.15", optional = true }
 ndarray-stats = "0.5"
 ndarray-rand = "0.14"
-ndarray-npy = "0.8"
+ndarray-npy = "0.9"
 rayon = "1"
 
 cobyla = { version = "0.6" }

ego/Cargo.toml

@@ -29,7 +29,7 @@ ndarray-linalg = { version = "0.15", optional = true }
 ndarray-stats = "0.5"
 ndarray_einsum_beta = "0.7"
 ndarray-rand = "0.14"
-ndarray-npy = "0.8"
+ndarray-npy = "0.9"
 nlopt = { version = "0.7.0", optional = true }
 cobyla = { version = "0.6" }
 rand_xoshiro = "0.6"