Update Rust crate itertools to 0.12.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
itertools	dependencies	minor	0.11.0 -> 0.12.1

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Release Notes

rust-itertools/itertools (itertools)

v0.12.1

Compare Source

Added

• Documented iteration order guarantee for Itertools::[tuple_]combinations (#​822)
• Documented possible panic in iterate (#​842)
• Implemented Clone and Debug for Diff (#​845)
• Implemented Debug for WithPosition (#​859)
• Implemented Eq for MinMaxResult (#​838)
• Implemented From<EitherOrBoth<A, B>> for Option<Either<A, B>> (#​843)
• Implemented PeekingNext for RepeatN (#​855)

Changed

• Made CoalesceBy lazy (#​801)
• Optimized Filter[Map]Ok::next, Itertools::partition, Unique[By]::next[_back] (#​818)
• Optimized Itertools::find_position (#​837)
• Optimized Positions::next[_back] (#​816)
• Optimized ZipLongest::fold (#​854)
• Relaxed Debug bounds for GroupingMapBy (#​860)
• Specialized ExactlyOneError::fold (#​826)
• Specialized Interleave[Shortest]::fold (#​849)
• Specialized MultiPeek::fold (#​820)
• Specialized PadUsing::[r]fold (#​825)
• Specialized PeekNth::fold (#​824)
• Specialized Positions::[r]fold (#​813)
• Specialized PutBackN::fold (#​823)
• Specialized RepeatN::[r]fold (#​821)
• Specialized TakeWhileInclusive::fold (#​851)
• Specialized ZipLongest::rfold (#​848)

Notable Internal Changes

• Added test coverage in CI (#​847, #​856)
• Added semver check in CI (#​784)
• Enforced clippy in CI (#​740)
• Enforced rustdoc in CI (#​840)
• Improved specialization tests (#​807)
• More specialization benchmarks (#​806)

v0.12.0

Compare Source

Breaking

• Made take_while_inclusive consume iterator by value (#​709)
• Added Clone bound to Unique (#​777)

Added

• Added Itertools::try_len (#​723)
• Added free function sort_unstable (#​796)
• Added GroupMap::fold_with (#​778, #​785)
• Added PeekNth::{peek_mut, peek_nth_mut} (#​716)
• Added PeekNth::{next_if, next_if_eq} (#​734)
• Added conversion into (Option<A>,Option<B>) to EitherOrBoth (#​713)
• Added conversion from Either<A, B> to EitherOrBoth<A, B> (#​715)
• Implemented ExactSizeIterator for Tuples (#​761)
• Implemented ExactSizeIterator for (Circular)TupleWindows (#​752)
• Made EitherOrBoth<T> a shorthand for EitherOrBoth<T, T> (#​719)

Changed

• Added missing #[must_use] annotations on iterator adaptors (#​794)
• Made Combinations lazy (#​795)
• Made Intersperse(With) lazy (#​797)
• Made Permutations lazy (#​793)
• Made Product lazy (#​800)
• Made TupleWindows lazy (#​602)
• Specialized Combinations::{count, size_hint} (#​729)
• Specialized CombinationsWithReplacement::{count, size_hint} (#​737)
• Specialized Powerset::fold (#​765)
• Specialized Powerset::count (#​735)
• Specialized TupleCombinations::{count, size_hint} (#​763)
• Specialized TupleCombinations::fold (#​775)
• Specialized WhileSome::fold (#​780)
• Specialized WithPosition::fold (#​772)
• Specialized ZipLongest::fold (#​774)
• Changed {min, max}_set* operations require alloc feature, instead of std (#​760)
• Improved documentation of tree_fold1 (#​787)
• Improved documentation of permutations (#​724)
• Fixed typo in documentation of multiunzip (#​770)

Notable Internal Changes

• Improved specialization tests (#​799, #​786, #​782)
• Simplified implementation of Permutations (#​739, #​748, #​790)
• Combined Merge/MergeBy/MergeJoinBy implementations (#​736)
• Simplified Permutations::size_hint (#​739)
• Fix wrapping arithmetic in benchmarks (#​770)
• Enforced rustfmt in CI (#​751)
• Disallowed compile warnings in CI (#​720)
• Used cargo hack to check MSRV (#​754)

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