Bump serde-wasm-bindgen from 0.6.3 to 0.6.4

Bumps [serde-wasm-bindgen](https://github.com/RReverser/serde-wasm-bindgen) from 0.6.3 to 0.6.4.
- [Commits](RReverser/serde-wasm-bindgen@v0.6.3...v0.6.4)

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

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