fix!: explicitly mark `_KGDTENTRY64` and `_KIDTENTRY64` as opaque types in `bindgen` #1575

Job	Run time
Clippy (Microsoft.WindowsWDK.10.0.22621, 17.0.6, stable, dev, x86_64-pc-windows-msvc)	6m 31s
Clippy (Microsoft.WindowsWDK.10.0.22621, 17.0.6, stable, dev, aarch64-pc-windows-msvc)	6m 37s
Clippy (Microsoft.WindowsWDK.10.0.22621, 17.0.6, stable, release, x86_64-pc-windows-msvc)	6m 19s
Clippy (Microsoft.WindowsWDK.10.0.22621, 17.0.6, stable, release, aarch64-pc-windows-msvc)	6m 43s
Clippy (Microsoft.WindowsWDK.10.0.22621, 17.0.6, beta, dev, x86_64-pc-windows-msvc)	5m 59s
Clippy (Microsoft.WindowsWDK.10.0.22621, 17.0.6, beta, dev, aarch64-pc-windows-msvc)	6m 10s
Clippy (Microsoft.WindowsWDK.10.0.22621, 17.0.6, beta, release, x86_64-pc-windows-msvc)	6m 24s
Clippy (Microsoft.WindowsWDK.10.0.22621, 17.0.6, beta, release, aarch64-pc-windows-msvc)	5m 5s
Clippy (Microsoft.WindowsWDK.10.0.22621, 17.0.6, nightly, dev, x86_64-pc-windows-msvc)	6m 54s
Clippy (Microsoft.WindowsWDK.10.0.22621, 17.0.6, nightly, dev, aarch64-pc-windows-msvc)	6m 59s
Detect Unused Cargo Dependencies	49s
Clippy (Microsoft.WindowsWDK.10.0.22621, 17.0.6, nightly, release, x86_64-pc-windows-msvc)	6m 53s
Clippy (Microsoft.WindowsWDK.10.0.22621, 17.0.6, nightly, release, aarch64-pc-windows-msvc)	6m 5s
	1h 17m 28s

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