Bump serde from 1.0.217 to 1.0.218 in /server

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.217 to 1.0.218.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.217...v1.0.218)

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

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

Author: dependabot[bot]

server/Cargo.lock

@@ -16,7 +16,7 @@ crate-type = ["cdylib", "rlib"]
 
 [dependencies]
 hex2d = "1.1.0"
-serde = { version = "1.0.217", features = ["derive"] }
+serde = { version = "1.0.218", features = ["derive"] }
 serde_json = "1.0.138"
 wasm-bindgen = "0.2.95"
 async-std = "1.12.0"