Update itertools requirement from 0.11 to 0.12 (#417)

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@v0.11.0...v0.12.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -36,7 +36,7 @@ derive_more = { version = "0.99", default-features = false, features = [
   "display",
   "error",
 ] }
-itertools = "0.11"
+itertools = "0.12"
 serde = { version = "1.0", features = ["derive"] }
 fixedbitset = "0.4.2"
 once_cell = "1.17.1"