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
...

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

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

polkadot/Cargo.lock

@@ -3499,9 +3499,9 @@ checksum = "b294d6fa9ee409a054354afc4352b0b9ef7ca222c69b8812cbea9e7d2bf3783f"
 
 [[package]]
 name = "libc"
-version = "0.2.91"
+version = "0.2.98"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8916b1f6ca17130ec6568feccee27c156ad12037880833a3b842a823236502e7"
+checksum = "320cfe77175da3a483efed4bc0adc1968ca050b098ce4f2f1c13a56626128790"
 
 [[package]]
 name = "libloading"

polkadot/node/core/pvf/Cargo.toml

@@ -15,7 +15,7 @@ async-process = "1.1.0"
 assert_matches = "1.4.0"
 futures = "0.3.15"
 futures-timer = "3.0.2"
-libc = "0.2.81"
+libc = "0.2.98"
 slotmap = "1.0"
 tracing = "0.1.26"
 pin-project = "1.0.7"