build: bump arbitrary from 1.1.3 to 1.1.4 in /fuzz

Bumps [arbitrary](https://github.com/rust-fuzz/arbitrary) from 1.1.3 to 1.1.4.
- [Release notes](https://github.com/rust-fuzz/arbitrary/releases)
- [Changelog](https://github.com/rust-fuzz/arbitrary/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-fuzz/arbitrary/compare/v1.1.3...v1.1.4)

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

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

fuzz/Cargo.lock

@@ -24,9 +24,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.1.3"
+version = "1.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a7924531f38b1970ff630f03eb20a2fde69db5c590c93b0f3482e95dcc5fd60"
+checksum = "8931eb436ab9bf1980c6cb2b9d1ba5390cd6793b2c6e2d2ea8147da3570c2a2e"
 
 [[package]]
 name = "arc-swap"