Update wasm-bindgen-test requirement from =0.2.19 to =0.2.47

Updates the requirements on [wasm-bindgen-test](https://github.com/rustwasm/wasm-bindgen) to permit the latest version.
- [Release notes](https://github.com/rustwasm/wasm-bindgen/releases)
- [Changelog](https://github.com/rustwasm/wasm-bindgen/blob/master/CHANGELOG.md)
- [Commits](wasm-bindgen/wasm-bindgen@0.2.19...0.2.47)

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

Author: dependabot-preview[bot]

Cargo.toml

@@ -40,4 +40,4 @@ optional = true
 
 [target.wasm32-unknown-unknown.dev-dependencies]
 wasm-bindgen = "=0.2.47"
-wasm-bindgen-test = "=0.2.19"
+wasm-bindgen-test = "=0.2.47"