Update itertools requirement from 0.13 to 0.14

Updates the requirements on [itertools](https://github.com/rust-itertools/itertools) to permit the latest version.
- [Changelog](https://github.com/rust-itertools/itertools/blob/master/CHANGELOG.md)
- [Commits](rust-itertools/itertools@v0.13.0...v0.14.0)

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

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

Cargo.toml

@@ -21,7 +21,7 @@ rust-version = "1.65"
 nalgebra = { version = "0.33", default-features = false, features = ["libm"] }
 approx = { version = "0.5", default-features = false }
 num-iter = { version = "0.1.40", default-features = false, optional = true }
-itertools = { version = "0.13", default-features = false }
+itertools = { version = "0.14", default-features = false }
 serde = { version = "1.0", default-features = false, features = [
     "derive",
 ], optional = true }