Bump serde_json from 1.0.120 to 1.0.121

Bumps [serde_json](https://github.com/serde-rs/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_json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

simulator/Cargo.toml

@@ -23,7 +23,7 @@ clap = { version = "4.5.11", features = ["derive"] }
 png = "0.17.8"
 imgui = "0.12.0"
 scarlet = "1.2.0"
-serde_json = "1.0.120"
+serde_json = "1.0.121"
 serde = { version = "1.0.204", features = ["derive"] }
 vulkano = "0.34.1"
 vulkano-shaders = "0.34.0"