Upgrade to clang 17.0.2 now that it has been released

This gets us a CUDA upgrade in clang-cuda

Change-Id: Ibb179c36043f4652001d38c1bc5840099fc05d07
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/WORKSPACE b/WORKSPACE
index 0c98e3f..80719a4 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -251,7 +251,7 @@
 
 load("@com_grail_bazel_toolchain//toolchain:rules.bzl", "llvm", "llvm_toolchain")
 
-llvm_version = "16.0.3"
+llvm_version = "17.0.2"
 
 llvm(
     name = "llvm_k8",