derive spirv vector on user structs #1130

Job	Run time
Test (ubuntu-24.04)	11m 36s
Test (windows-2022)	20m 33s
Compiletest (macOS-latest)	8m 34s
Test (macOS-latest)	13m 23s
Difftest (ubuntu-24.04)	15m 54s
Compiletest (windows-2022)	14m 59s
Compiletest (ubuntu-24.04)	6m 55s
Lint	52s
Difftest (windows-2022)	26m 7s
Android (ubuntu-24.04, aarch64-linux-android)	9m 18s
cargo-deny	1m 8s
Difftest (macOS-latest)	22m 54s
test_success	2s
	2h 32m 15s

Provide feedback