build(deps): bump ndarray from 0.14.0 to 0.15.1

Bumps [ndarray](https://github.com/rust-ndarray/ndarray) from 0.14.0 to 0.15.1.
- [Release notes](https://github.com/rust-ndarray/ndarray/releases)
- [Changelog](https://github.com/rust-ndarray/ndarray/blob/master/RELEASES.md)
- [Commits](https://github.com/rust-ndarray/ndarray/compare/ndarray-rand-0.14.0...0.15.1)

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.lock

@@ -398,9 +398,9 @@ checksum = "c75de51135344a4f8ed3cfe2720dc27736f7711989703a0b43aadf3753c55577"
 
 [[package]]
 name = "matrixmultiply"
-version = "0.2.4"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "916806ba0031cd542105d916a97c8572e1fa6dd79c9c51e7eb43a09ec2dd84c1"
+checksum = "1300bdbea33ec2836b01ff1f5a6eed8bad66d0c31f94d9b7993407a8b054c3a1"
 dependencies = [
  "rawpointer",
 ]
@@ -454,12 +454,12 @@ checksum = "546c37ac5d9e56f55e73b677106873d9d9f5190605e41a856503623648488cae"
 
 [[package]]
 name = "ndarray"
-version = "0.14.0"
+version = "0.15.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c0d5c9540a691d153064dc47a4db2504587a75eae07bf1d73f7a596ebc73c04"
+checksum = "cc1372704f14bb132a49a6701c2238970a359ee0829fed481b522a63bf25456a"
 dependencies = [
  "matrixmultiply",
- "num-complex 0.3.1",
+ "num-complex",
  "num-integer",
  "num-traits",
  "rawpointer",
@@ -477,22 +477,13 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "43db66d1170d347f9a065114077f7dccb00c1b9478c89384490a3425279a4606"
 dependencies = [
- "num-complex 0.4.0",
+ "num-complex",
  "num-integer",
  "num-iter",
  "num-rational",
  "num-traits",
 ]
 
-[[package]]
-name = "num-complex"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "747d632c0c558b87dbabbe6a82f3b4ae03720d0646ac5b7b4dae89394be5f2c5"
-dependencies = [
- "num-traits",
-]
-
 [[package]]
 name = "num-complex"
 version = "0.4.0"

dsp/Cargo.toml

@@ -14,7 +14,7 @@ miniconf = "0.1"
 [dev-dependencies]
 easybench = "1.0"
 rand = "0.8"
-ndarray = "0.14"
+ndarray = "0.15"
 
 [[bench]]
 name = "micro"