Bump arrayvec from 0.7.1 to 0.7.2

[dependabot[bot]]

Bumps arrayvec from 0.7.1 to 0.7.2.

Changelog

Sourced from arrayvec's changelog.

0.7.2

• Add .as_mut_str() to ArrayString by @​clarfonthey
• Add remaining_capacity to ArrayString by @​bhgomes
• Add zero_filled constructor by @​c410-f3r
• Optimize retain by @​TennyZhuang and @​niklasf
• Make the following methods const by @​bhgomes:
  • len
  • is_empty
  • capacity
  • is_full
  • remaining_capacity
  • CapacityError::new

Commits

• 67ec907 0.7.2
• a4690c9 Merge pull request #194 from bhgomes/const-fns
• 4c8149a Merge pull request #200 from niklasf/follow-vec-retain
• bc21f19 Follow optimization of std::Vec::retain (rust-lang/rust#88060)
• e209a50 Merge pull request #197 from c410-f3r/str
• 1e74077 Doc/wording edit for zero_filled
• e98cb1c Typo
• f5acafa Add zero_filled constructor
• 17c5dd0 upgrade len/capacity-related functions to const-fn
• 481f930 add remaining_capacity to ArrayString
• Additional commits viewable in compare view

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