Update Rust crate wasm-bindgen-futures to v0.4.56 (#5594)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [wasm-bindgen-futures](https://wasm-bindgen.github.io/wasm-bindgen/)
([source](https://redirect.github.com/wasm-bindgen/wasm-bindgen/tree/HEAD/crates/futures))
| workspace.dependencies | patch | `0.4.55` -> `0.4.56` |

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