chore(deps): update itertools requirement from 0.12 to 0.13

[dependabot]

Updates the requirements on itertools to permit the latest version.

Changelog

Sourced from itertools's changelog.

0.13.0

Breaking

• Removed implementation of DoubleEndedIterator for ConsTuples (#853)
• Made MultiProduct fused and fixed on an empty iterator (#835, #834)
• Changed iproduct! to return tuples for maxi one iterator too (#870)
• Changed PutBack::put_back to return the old value (#880)
• Removed deprecated repeat_call, Itertools::{foreach, step, map_results, fold_results} (#878)
• Removed TakeWhileInclusive::new (#912)

Added

• Added Itertools::{smallest_by, smallest_by_key, largest, largest_by, largest_by_key} (#654, #885)
• Added Itertools::tail (#899)
• Implemented DoubleEndedIterator for ProcessResults (#910)
• Implemented Debug for FormatWith (#931)
• Added Itertools::get (#891)

Changed

• Deprecated Itertools::group_by (renamed chunk_by) (#866, #879)
• Deprecated unfold (use std::iter::from_fn instead) (#871)
• Optimized GroupingMapBy (#873, #876)
• Relaxed Fn bounds to FnMut in diff_with, Itertools::into_group_map_by (#886)
• Relaxed Debug/Clone bounds for MapInto (#889)
• Documented the use_alloc feature (#887)
• Optimized Itertools::set_from (#888)
• Removed badges in README.md (#890)
• Added "no-std" categories in Cargo.toml (#894)
• Fixed Itertools::k_smallest on short unfused iterators (#900)
• Deprecated Itertools::tree_fold1 (renamed tree_reduce) (#895)
• Deprecated GroupingMap::fold_first (renamed reduce) (#902)
• Fixed Itertools::k_smallest(0) to consume the iterator, optimized Itertools::k_smallest(1) (#909)
• Specialized Combinations::nth (#914)
• Specialized MergeBy::fold (#920)
• Specialized CombinationsWithReplacement::nth (#923)
• Specialized FlattenOk::{fold, rfold} (#927)
• Specialized Powerset::nth (#924)
• Documentation fixes (#882, #936)
• Fixed assert_equal for iterators longer than i32::MAX (#932)
• Updated the must_use message of non-lazy KMergeBy and TupleCombinations (#939)

Notable Internal Changes

• Tested iterator laziness (#792)
• Created CONTRIBUTING.md (#767)

0.12.1

Added

• Documented iteration order guarantee for Itertools::[tuple_]combinations (#822)
• Documented possible panic in iterate (#842)
• Implemented Clone and Debug for Diff (#845)

... (truncated)

Commits

• d5084d1 Prepare v0.13.0 release (#937)
• d7c99d5 TupleCombinations is not lazy but must be used nonetheless
• 074c7fc KMergeBy is not lazy but must be used nonetheless
• 2ad9e07 assert_equal: fix clippy::default_numeric_fallback
• 0d4efc8 Remove free function get
• 05cc0ee get(s..=usize::MAX) should be fine when s != 0
• 3c16f14 get: when is it ESI and/or DEI
• 4dd6ba0 get: panics if the range includes usize::MAX
• 7a9ce56 get(r: Range) as Skip\<Take>
• f676f2f Remove the unspecified check about .get(exhausted_range_inclusive)
• Additional commits viewable in compare view

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[dependabot]

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