examples/runners/wgpu: update `wgpu` to `23`. #194

Job	Run time
Test (ubuntu-20.04, x86_64-unknown-linux-gnu)	15m 23s
Test (windows-2022, x86_64-pc-windows-msvc)	27m 42s
Lint	6m 29s
Test (macOS-latest, x86_64-apple-darwin)	13m 48s
cargo-deny	1m 4s
Test (ubuntu-20.04, aarch64-linux-android, x86_64-unknown-linux-gnu)	8m 7s
test_success	1s
	1h 12m 34s

Provide feedback