Update windows requirement from ^0.28 to ^0.29

Updates the requirements on [windows](https://github.com/microsoft/windows-rs) to permit the latest version.
- [Release notes](https://github.com/microsoft/windows-rs/releases)
- [Commits](microsoft/windows-rs@0.28.0...0.29.0)

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

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

Cargo.toml

@@ -18,7 +18,7 @@ anyhow = "1"
 widestring = "0.5"
 
 [target.'cfg(target_os = "windows")'.dependencies.windows]
-version = "^0.28"
+version = "^0.29"
 features = [
     "std",
     "Win32_Foundation",