Use a local clang config for TSAN builds

Update the TSAN GitHub workflow to use `rbe_linux_x86_64_clang_local`, which ensures clang-based builds run locally, as required for ThreadSanitizer.

PiperOrigin-RevId: 864992841

Author: yuriivcs

.bazelrc

@@ -429,6 +429,8 @@ common:rbe_linux_x86_64_base --platforms="@ml_build_config_platform//:platform"
 common:rbe_linux_x86_64 --config=rbe_linux_x86_64_base
 common:rbe_linux_x86_64 --config=ci_linux_x86_64
 
+common:rbe_linux_x86_64_clang_local --config=ci_linux_x86_64_clang_local
+
 common:rbe_linux_x86_64_cuda_common --config=rbe_linux_x86_64_base
 common:rbe_linux_x86_64_cuda_common --config=rbe_gpu_pool
 # Update UMD version when RBE CUDA driver is updated.

.github/workflows/tsan.yaml

@@ -276,7 +276,7 @@ jobs:
               --@rules_python//python/config_settings:py_freethreaded="yes" \
               --test_output=errors \
               --test_timeout=1800 \
-              --config=rbe_linux_x86_64 \
               --test_tag_filters=-notsan \
+              --config=rbe_linux_x86_64 \
               --run_under=//tests/config:oss_tsan_wrapper_sh \
               //tests:cpu_tests