Bump serde from 1.0.208 to 1.0.209 in /src/wasm-lib (#3661)

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.208 to 1.0.209.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.208...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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/wasm-lib/derive-docs/Cargo.toml

@@ -18,7 +18,7 @@ once_cell = "1.19.0"
 proc-macro2 = "1"
 quote = "1"
 regex = "1.10"
-serde = { version = "1.0.208", features = ["derive"] }
+serde = { version = "1.0.209", features = ["derive"] }
 serde_tokenstream = "0.2"
 syn = { version = "2.0.75", features = ["full"] }