Bump itertools from 0.10.1 to 0.10.3 in /rust

[dependabot[bot]]

Bumps itertools from 0.10.1 to 0.10.3.

Changelog

Sourced from itertools's changelog.

Changelog

0.10.2

• Add Itertools::multiunzip (#362, #565)
• Add intersperse and intersperse_with free functions (#555)
• Add Itertools::sorted_by_cached_key (#424, #575)
• Specialize ProcessResults::fold (#563)
• Fix subtraction overflow in DuplicatesBy::size_hint (#552)
• Fix specialization tests (#574)
• More Debug impls (#573)
• Deprecate fold1 (use reduce instead) (#580)
• Documentation fixes (HomogenousTuple, into_group_map, into_group_map_by, MultiPeek::peek) (#543 et al.)

Commits

• 3003c2a (cargo-release) version 0.10.3
• e9c9f2f Merge #585
• defab96 Prepare 0.10.2 (3) README
• 2234b7f Prepare 0.10.2 (2) Cargo.toml
• 72f300d Prepare 0.10.2 (1) changelog
• 3307e4d Merge #575
• ed55a5f Merge #580
• 42033ad Deprecate fold1 in faviour of reduce
• a1510e7 remove extra space
• d856ee7 Add sorted_by_cached_key to Itertools trait
• Additional commits viewable in compare view

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