ci: disable clang to stop double linking?

Author: jusito-iem

.github/workflows/ci.yml

@@ -51,7 +51,7 @@ jobs:
           cd build
           cmake .. \
             -DCMAKE_BUILD_TYPE=${{ matrix.cmake_build_type }} \
-            -DBUILD_PHASAR_CLANG=ON \
+            -DBUILD_PHASAR_CLANG=OFF \
             -DBUILD_SWIFT_TESTS=ON \
             -DPHASAR_USE_Z3=ON \
             ${{ matrix.flags }} \