chore(dep): bump the test-deps group across 1 directory with 2 updates

Bumps the test-deps group with 2 updates in the /fuzz directory: [serde](https://github.com/serde-rs/serde) and [serde_json](https://github.com/serde-rs/json).


Updates `serde` from 1.0.203 to 1.0.204
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.203...v1.0.204)

Updates `serde_json` from 1.0.120 to 1.0.121
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](serde-rs/json@v1.0.120...v1.0.121)

---
updated-dependencies:
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: test-deps
- dependency-name: serde_json
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: test-deps
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

fuzz/Cargo.lock

@@ -10,8 +10,8 @@ cargo-fuzz = true
 [dependencies]
 arbitrary = { version = "1.3.*", features = ["derive"] }
 libfuzzer-sys = { version = "0.4" }
-serde = "1.0.203"
-serde_json = "1.0.120"
+serde = "1.0.204"
+serde_json = "1.0.121"
 
 [dependencies.rsonpath-lib]
 path = "../crates/rsonpath-lib"