JuliaGPU/GPUCompiler.jl: v0.16.1

GPUCompiler v0.16.1 Diff since v0.16.0 Merged pull requests: Metal: re-mangle memcpy intrinsics when changing pointer address spaces. (#337) (@maleadt) Metal: support the lifetime intrinsics. (#338) (@maleadt) Minor drive-by improvements. (#339) (@maleadt) Metal: Change approach to adding ptr arg ASs. (#340) (@maleadt) Update manifest (#343) (@github-actions[bot]) Update manifest (#344) (@github-actions[bot]) Metal simplifications (#345) (@maleadt) Metal: indexing argumen metadata fixes (#346) (@maleadt) Add support for custom IR validation passes. (#347) (@maleadt