build(deps): bump libc from 0.2.175 to 0.2.176

Bumps [libc](https://github.com/rust-lang/libc) from 0.2.175 to 0.2.176.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Changelog](https://github.com/rust-lang/libc/blob/0.2.176/CHANGELOG.md)
- [Commits](rust-lang/libc@0.2.175...0.2.176)

---
updated-dependencies:
- dependency-name: libc
  dependency-version: 0.2.176
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -19,7 +19,7 @@ conmon-common = { path = "../common" }
 futures = { version = "0.3.31", default-features = false, features = ["executor"] }
 getset = { version = "0.1.6", default-features = false }
 lazy_static = { version = "1.5.0", default-features = false }
-libc = { version = "0.2.175", default-features = false }
+libc = { version = "0.2.176", default-features = false }
 libsystemd = { version = "0.7.2", default-features = false }
 linereader = { version = "0.4.0", default-features = false }
 memchr = { version = "2.7.6", default-features = false }