Update itertools requirement from 0.12 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](https://github.com/rust-itertools/itertools/compare/v0.12.0...v0.14.0)

---
updated-dependencies:
- dependency-name: itertools
  dependency-version: 0.14.0
  dependency-type: direct:production
...

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

Cargo.toml

@@ -36,7 +36,7 @@ anyhow = "1.0"
 thiserror = "1.0"
 
 # Utilities
-itertools = "0.12"
+itertools = "0.14"
 lazy_static = "1.4"
 rand = "0.8"