build: bump clap_lex from 0.2.3 to 0.2.4 in /fuzz

Bumps [clap_lex](https://github.com/clap-rs/clap) from 0.2.3 to 0.2.4.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/clap_lex-v0.2.3...clap_lex-v0.2.4)

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

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

fuzz/Cargo.lock

@@ -144,9 +144,9 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87eba3c8c7f42ef17f6c659fc7416d0f4758cd3e58861ee63c5fa4a4dde649e4"
+checksum = "2850f2f5a82cbf437dd5af4d49848fbdfc27c157c3d010345776f952765261c5"
 dependencies = [
  "os_str_bytes",
 ]