Bump libc from 0.2.107 to 0.2.108 (#4343)

Bumps [libc](https://github.com/rust-lang/libc) from 0.2.107 to 0.2.108.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.107...0.2.108)

---
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

@@ -3326,9 +3326,9 @@ checksum = "b294d6fa9ee409a054354afc4352b0b9ef7ca222c69b8812cbea9e7d2bf3783f"
 
 [[package]]
 name = "libc"
-version = "0.2.107"
+version = "0.2.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbe5e23404da5b4f555ef85ebed98fb4083e55a00c317800bc2a50ede9f3d219"
+checksum = "8521a1b57e76b1ec69af7599e75e38e7b7fad6610f037db8c79b127201b5d119"
 
 [[package]]
 name = "libgit2-sys"

polkadot/node/core/pvf/Cargo.toml

@@ -15,7 +15,7 @@ async-process = "1.3.0"
 assert_matches = "1.4.0"
 futures = "0.3.17"
 futures-timer = "3.0.2"
-libc = "0.2.107"
+libc = "0.2.108"
 slotmap = "1.0"
 tracing = "0.1.29"
 pin-project = "1.0.8"