Update dependencies. (#391)

Project GPUCompiler v0.17.2
        Diff `~/work/GPUCompiler.jl/GPUCompiler.jl/Project.toml`
  [929cbde3] ↑ LLVM v4.15.0 ⇒ v4.16.0

Co-authored-by: maleadt <maleadt@users.noreply.github.com>

Author: github-actions[bot]

Manifest.toml

@@ -39,9 +39,9 @@ version = "1.4.1"
 
 [[LLVM]]
 deps = ["CEnum", "LLVMExtra_jll", "Libdl", "Printf", "Unicode"]
-git-tree-sha1 = "b8ae281340f0d3e973aae7b96fb7502b0119b376"
+git-tree-sha1 = "df115c31f5c163697eede495918d8e85045c8f04"
 uuid = "929cbde3-209d-540e-8aea-75f648917ca0"
-version = "4.15.0"
+version = "4.16.0"
 
 [[LLVMExtra_jll]]
 deps = ["Artifacts", "JLLWrappers", "LazyArtifacts", "Libdl", "Pkg", "TOML"]