Update to llvm 16 in meta.yml

Author: alexbaden

recipe/meta.yaml

@@ -10,7 +10,7 @@
 {% set install_base = "opt/hdk" %}
 {% set arrow_version = "11.*" %}
 {% set arrow_proc_version = "3.*" %}
-{% set llvm_version = "15" %}
+{% set llvm_version = "16" %}
 
 package:
   name: hdk