Actually check alignment in BlobVec test aligned_zst (#10885) #12

Job	Run time
check-bevy-internal-imports	4s
check-doc	7m 39s
build (windows-latest)	6m 49s
check-missing-examples-in-docs	35s
build (ubuntu-latest)	3m 2s
ci	3m 2s
build (macos-latest)	3m 59s
miri	6m 58s
toml	8s
run-examples-on-windows-dx12	15m 53s
check-missing-features-in-docs	30s
markdownlint	1m 14s
check-compiles	3m 48s
build-wasm	1m 20s
msrv	1m 21s
	56m 22s

Provide feedback