Bump serde_json from 1.0.139 to 1.0.140 in /server

Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.139 to 1.0.140.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](serde-rs/json@v1.0.139...v1.0.140)

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

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

Author: dependabot[bot]

server/Cargo.lock

@@ -17,7 +17,7 @@ crate-type = ["cdylib", "rlib"]
 [dependencies]
 hex2d = "1.1.0"
 serde = { version = "1.0.218", features = ["derive"] }
-serde_json = "1.0.139"
+serde_json = "1.0.140"
 wasm-bindgen = "0.2.95"
 async-std = "1.12.0"
 wasm-bindgen-futures = "0.4.50"