Update cloud-tpu-presubmit.yml

Author: quoctruong

.github/workflows/cloud-tpu-presubmit.yml

@@ -61,4 +61,5 @@ jobs:
       - name: Build ${{ matrix.artifact }}
         env:
           JAXCI_HERMETIC_PYTHON_VERSION: "${{ matrix.python }}"
-        run: ./ci/build_artifacts.sh "ci/envs/build_artifacts/${{ matrix.artifact }}"
+        run: choco install llvm --version=18.1.4 --yes --no-progress --allow-downgrade
+