build: Bump serde_json from 1.0.111 to 1.0.112 in /fuzz

Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.111 to 1.0.112.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.111...v1.0.112)

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

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

fuzz/Cargo.lock

@@ -729,9 +729,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.111"
+version = "1.0.112"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "176e46fa42316f18edd598015a5166857fc835ec732f5215eac6b7bdbf0a84f4"
+checksum = "4d1bd37ce2324cf3bf85e5a25f96eb4baf0d5aa6eba43e7ae8958870c4ec48ed"
 dependencies = [
  "itoa",
  "ryu",