build: bump arbitrary from 1.1.1 to 1.1.2 in /fuzz

Bumps [arbitrary](https://github.com/rust-fuzz/arbitrary) from 1.1.1 to 1.1.2.
- [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/1.1.1...v1.1.2)

---
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 = "1.1.1"
+version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f7487a7cc86cea29c97c91007ad21294f9959949577b305ae118b8c11738ccf"
+checksum = "25e0a02cf12f1b1f48b14cb7f8217b876d09992b39c816ffb3b1ba64dd979a87"
 
 [[package]]
 name = "arc-swap"