chore(deps): bump itertools

[hanabi1224]

Summary of changes

Changes introduced in this pull request:

• bump itertools

Warnings being fixed:

warning: use of deprecated function `itertools::unfold`: Use [std::iter::from_fn](https://doc.rust-lang.org/std/iter/fn.from_fn.html) instead

warning: use of deprecated method `itertools::Itertools::group_by`: Use .chunk_by() instead

Reference issue to close (if applicable)

Closes

Other information and links

Change checklist

• I have performed a self-review of my own code,
• I have made corresponding changes to the documentation,
• I have added tests that prove my fix is effective or that my feature works (if possible),
• I have made sure the CHANGELOG is up-to-date. All user-facing changes should be reflected in this document.