Update serde-wasm-bindgen requirement from 0.4 to 0.6 in /vdr/wasm

Updates the requirements on [serde-wasm-bindgen](https://github.com/RReverser/serde-wasm-bindgen) to permit the latest version.
- [Commits](RReverser/serde-wasm-bindgen@v0.4.0...v0.6.5)

---
updated-dependencies:
- dependency-name: serde-wasm-bindgen
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Diff for: vdr/wasm/Cargo.toml

@@ -22,7 +22,7 @@ indy-besu-vdr = { path = "..", default-features = false, features = ['wasm'] }
 wasm-bindgen = "0.2.87"
 wasm-bindgen-futures = "0.4.37"
 js-sys = "0.3.64"
-serde-wasm-bindgen = "0.4"
+serde-wasm-bindgen = "0.6"
 serde_json = "1.0.107"
 futures = "0.3.28"
 console_error_panic_hook = "0.1"