Update toolchain preferred versions, emsdk:4.0.6, llvm:20.1.1

Author: halx99

1k/build.profiles

@@ -27,7 +27,7 @@ nuget=5.5.1.*
 vs=17.0+
 
 # as stable and latest as possible, @axmol-cmdline @genbindings.ps1
-llvm=17.0.6~19.1.6+
+llvm=17.0.6~20.1.1+
 
 # --- endregion
 
@@ -82,6 +82,6 @@ guava=33.3.1
 
 # --- region platform:wasm
 
-emsdk=3.1.73~4.0.3
+emsdk=3.1.73~4.0.6
 
 # --- endregion