chore: bump libc from 0.2.80 to 0.2.81 (#14092)

* chore: bump libc from 0.2.80 to 0.2.81

Bumps [libc](https://github.com/rust-lang/libc) from 0.2.80 to 0.2.81.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.80...0.2.81)

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

* [auto-commit] Update all Cargo lock files

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

streamer/Cargo.toml

@@ -15,7 +15,7 @@ solana-sdk = { path = "../sdk", version = "1.5.0" }
 thiserror = "1.0"
 solana-measure = { path = "../measure", version = "1.5.0" }
 solana-logger = { path = "../logger", version = "1.5.0" }
-libc = "0.2.72"
+libc = "0.2.81"
 nix = "0.19.0"
 solana-perf = { path = "../perf", version = "1.5.0" }