fix ucx mirror path

Signed-off-by: ZhanruiSunCh <184402041+ZhanruiSunCh@users.noreply.github.com>

Author: ZhanruiSunCh

docker/common/install_ucx.sh

@@ -11,7 +11,7 @@ UCX_INSTALL_PATH="/usr/local/ucx/"
 CUDA_PATH="/usr/local/cuda"
 
 rm -rf ${UCX_INSTALL_PATH}
-curl -L ${GITHUB_URL}/openucx/ucx/archive/refs/tags/${UCX_VERSION}.tar.gz -o ucx-${UCX_VERSION}.tar.gz
+curl -L ${GITHUB_URL}/openucx/ucx/archive/refs/heads/${UCX_VERSION}.tar.gz -o ucx-${UCX_VERSION}.tar.gz
 tar -xzf ucx-${UCX_VERSION}.tar.gz
 mv ucx-${UCX_VERSION} ucx
 cd ucx