feat(io-uring): Only make this valid on Linux (#558) #1316

Job	Run time
build_with_features (ubuntu-latest, --features memory-prof)	12m 43s
build_with_features (ubuntu-24.04-arm, --features memory-prof)	14m 5s
build_with_features (ubuntu-latest)	12m 25s
with-hdrs	12m 44s
code-style-check	22s
build_with_features (ubuntu-24.04-arm)	13m 37s
	1h 5m 56s

Provide feedback