Bump serde from 1.0.204 to 1.0.209

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.204 to 1.0.209.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.204...v1.0.209)

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

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

Cargo.toml

@@ -28,7 +28,7 @@ maplit = "1.0.2"
 path-slash = "0.2.1"
 rayon = "1.10.0"
 ropey = "1.6.1"
-serde = "1.0.204"
+serde = "1.0.209"
 thiserror = "1.0.63"
 tokio = { version = "1.39.2", features = ["full"] }
 tower-lsp = "0.20.0"