build: bump arbitrary from 1.1.2 to 1.1.3 in /fuzz

Bumps [arbitrary](https://github.com/rust-fuzz/arbitrary) from 1.1.2 to 1.1.3.
- [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/v1.1.2...v1.1.3)

---
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 = "1.1.2"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25e0a02cf12f1b1f48b14cb7f8217b876d09992b39c816ffb3b1ba64dd979a87"
+checksum = "5a7924531f38b1970ff630f03eb20a2fde69db5c590c93b0f3482e95dcc5fd60"
 
 [[package]]
 name = "arc-swap"