check clang version

Author: xiazhvera

.github/workflows/ci.yml

@@ -98,6 +98,7 @@ jobs:
         cache: maven
     - name: Build ${{ env.PACKAGE_NAME }} + consumers
       run: |
+        clang --version
         python3 -c "from urllib.request import urlretrieve; urlretrieve('${{ env.BUILDER_HOST }}/${{ env.BUILDER_SOURCE }}/${{ env.BUILDER_VERSION }}/builder.pyz?run=${{ env.RUN }}', 'builder')"
         chmod a+x builder
         ./builder build -p ${{ env.PACKAGE_NAME }} --spec=downstream
@@ -149,6 +150,7 @@ jobs:
         cache: maven
     - name: Build ${{ env.PACKAGE_NAME }} + consumers
       run: |
+        clang --version
         python3 -c "from urllib.request import urlretrieve; urlretrieve('${{ env.BUILDER_HOST }}/${{ env.BUILDER_SOURCE }}/${{ env.BUILDER_VERSION }}/builder.pyz?run=${{ env.RUN }}', 'builder')"
         chmod a+x builder
         ./builder build -p ${{ env.PACKAGE_NAME }} --spec=downstream