Switch from push constants to storage buffers #59

Job	Run time
lint (cargo-gpu)	7m 21s
lint (spirv-builder)	6m 22s
xtask test & lint	7m 25s
test (ubuntu-24.04, cargo-gpu)	7m 39s
test (windows-2022, spirv-builder)	32s
test (windows-2022, cargo-gpu)	30s
test (ubuntu-24.04, spirv-builder)	1m 46s
test (macOS-latest, spirv-builder)	2m 20s
test (macOS-latest, cargo-gpu)	8m 33s
test_success	4s
	42m 32s

Provide feedback