Update windows-bindgen requirement from 0.55 to 0.56

Updates the requirements on [windows-bindgen](https://github.com/microsoft/windows-rs) to permit the latest version.
- [Release notes](https://github.com/microsoft/windows-rs/releases)
- [Commits](microsoft/windows-rs@0.55.0...0.56.0)

---
updated-dependencies:
- dependency-name: windows-bindgen
  dependency-type: direct:production
...

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

Cargo.toml

@@ -52,7 +52,7 @@ js-sys = { version = "0.3", optional = true }       # contains FFI bindings for
 windows-targets = { version = "0.52", optional = true }
 
 [target.'cfg(windows)'.dev-dependencies]
-windows-bindgen = { version = "0.55" } # The MSRV of its windows-metatada dependency is 1.70
+windows-bindgen = { version = "0.56" } # The MSRV of its windows-metatada dependency is 1.70
 
 [target.'cfg(unix)'.dependencies]
 iana-time-zone = { version = "0.1.45", optional = true, features = ["fallback"] }