Update llvm and rust

recipes/dev/llvm/recipe.toml

 [source]
 git = "https://gitlab.redox-os.org/redox-os/llvm-project.git"
 upstream = "https://github.com/rust-lang/llvm-project.git"
-branch = "redox-2023-01-21"
+branch = "redox-2024-05-11"
 
 [build]
 template = "custom"

recipes/dev/rust/config.toml

@@ -12,6 +12,7 @@ verbose = 1
 
 [install]
 prefix = "install"
+sysconfdir = "etc"
 
 [rust]
 backtrace = false

recipes/dev/rust/recipe.sh

 GIT=https://gitlab.redox-os.org/redox-os/rust.git
-BRANCH=redox-2023-09-07
+BRANCH=redox-2024-05-11
 BUILD_DEPENDS=(llvm)
 DEPENDS="gcc13 cargo"
 PREPARE_COPY=0