build(deps): update winreg requirement from 0.55.0 to 0.56.0

Updates the requirements on [winreg](https://github.com/gentoo90/winreg-rs) to permit the latest version.
- [Release notes](https://github.com/gentoo90/winreg-rs/releases)
- [Changelog](https://github.com/gentoo90/winreg-rs/blob/master/CHANGELOG.md)
- [Commits](gentoo90/winreg-rs@v0.55.0...v0.56.0)

---
updated-dependencies:
- dependency-name: winreg
  dependency-version: 0.56.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.toml

@@ -49,4 +49,4 @@ hashbrown = { version = "0.16", features = ["rayon", "serde"] }
 
 # Used to find signtool for codesigning
 [target.'cfg(windows)'.dependencies]
-winreg = "0.55.0"
+winreg = "0.56.0"