build: bump clap from 3.1.1 to 3.1.2 in /fuzz

Bumps [clap](https://github.com/clap-rs/clap) from 3.1.1 to 3.1.2.
- [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/v3.1.1...v3.1.2)

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

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

fuzz/Cargo.lock

@@ -128,9 +128,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clap"
-version = "3.1.1"
+version = "3.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d76c22c9b9b215eeb8d016ad3a90417bd13cb24cf8142756e6472445876cab7"
+checksum = "5177fac1ab67102d8989464efd043c6ff44191b1557ec1ddd489b4f7e1447e77"
 dependencies = [
  "atty",
  "bitflags",