fixup: Use more general clear_depth that will also work on GLES #181

Job	Run time
Run `rustfmt`	13s
Build (macos-latest, stable, default)	19s
Build (macos-latest, stable, --features 'chains sm-raw-window-handle-06', default)	18s
Build (macos-latest, stable, --features 'chains sm-raw-window-handle-05', default)	19s
Build (ubuntu-22.04, stable, default)	38s
Build (ubuntu-22.04, stable, --features 'chains sm-raw-window-handle-06', default)	35s
Build (ubuntu-22.04, stable, --features 'chains sm-raw-window-handle-05', default)	22s
Build (windows-latest, stable, default)	1m 23s
Build (windows-latest, stable, --features 'chains sm-raw-window-handle-06', default)	1m 32s
Build (windows-latest, stable, --features 'chains sm-raw-window-handle-05', default)	1m 36s
Build (ubuntu-22.04, --features 'sm-x11 sm-wayland-default', stable, default)	20s
Build (ubuntu-22.04, arm-linux-androideabi, stable)	23s
Build (windows-latest, --features 'chains sm-angle-builtin', stable, default)	7m 32s
Build (windows-latest, --features 'chains sm-no-wgl sm-angle-builtin', stable, default)	7m 7s
Build (windows-latest, aarch64-pc-windows-msvc, stable)	1m 28s
Build (ubuntu-22.04, aarch64-unknown-linux-ohos, stable)	38s
Result	1s
	24m 44s

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