chore(deps): bump wasm-bindgen-futures from 0.4.23 to 0.4.28

Bumps [wasm-bindgen-futures](https://github.com/rustwasm/wasm-bindgen) from 0.4.23 to 0.4.28.
- [Release notes](https://github.com/rustwasm/wasm-bindgen/releases)
- [Changelog](https://github.com/rustwasm/wasm-bindgen/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rustwasm/wasm-bindgen/commits)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -113,7 +113,7 @@ serde_json = "1.0"
 
 # WASM-specific dependencies
 wasm-bindgen = { version = "0.2.78", optional = true }
-wasm-bindgen-futures = { version = "0.4.18", optional = true }
+wasm-bindgen-futures = { version = "0.4.28", optional = true }
 browser-utils = { package = "substrate-browser-utils", path = "../../../../utils/browser", optional = true, version = "0.9.0"}
 
 [target.'cfg(target_arch="x86_64")'.dependencies]