Bump libc from 0.2.91 to 0.2.98 (#3496)

Bumps [libc](https://github.com/rust-lang/libc) from 0.2.91 to 0.2.98.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.91...0.2.98)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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