Bump libc from 0.2.87 to 0.2.88 (#502)

Bumps [libc](https://github.com/rust-lang/libc) from 0.2.87 to 0.2.88.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](rust-lang/libc@0.2.87...0.2.88)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>