[bazel] Bump rules_rs and llvm (#13366)

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BUILD.bazel

@@ -1,11 +1,4 @@
 load("@apple_support//xcode:xcode_config.bzl", "xcode_config")
-load("@rules_cc//cc:defs.bzl", "cc_shared_library")
-
-cc_shared_library(
-    name = "clang",
-    deps = ["@llvm-project//clang:libclang"],
-    visibility = ["//visibility:public"],
-)
 
 xcode_config(name = "disable_xcode")
 
@@ -16,7 +9,7 @@ platform(
     name = "local_linux",
     constraint_values = [
         # We mark the local platform as glibc-compatible because musl-built rust cannot dlopen proc macros.
-        "@toolchains_llvm_bootstrapped//constraints/libc:gnu.2.28",
+        "@llvm//constraints/libc:gnu.2.28",
     ],
     parents = ["@platforms//host"],
 )