build: Bump rustix from 0.35.11 to 0.35.12 in /fuzz

Bumps [rustix](https://github.com/bytecodealliance/rustix) from 0.35.11 to 0.35.12.
- [Release notes](https://github.com/bytecodealliance/rustix/releases)
- [Commits](https://github.com/bytecodealliance/rustix/compare/v0.35.11...v0.35.12)

---
updated-dependencies:
- dependency-name: rustix
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

fuzz/Cargo.lock

@@ -604,9 +604,9 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "0.35.11"
+version = "0.35.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbb2fda4666def1433b1b05431ab402e42a1084285477222b72d6c564c417cef"
+checksum = "985947f9b6423159c4726323f373be0a21bdb514c5af06a849cb3d2dce2d01e8"
 dependencies = [
  "bitflags",
  "errno",