Fix dev container make failed (#21301)

Signed-off-by: NEnwei Jiao <enwei.jiao@zilliz.com>
Signed-off-by: NEnwei Jiao <enwei.jiao@zilliz.com>

scripts/devcontainer.sh

@@ -24,7 +24,7 @@ while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symli
 done
 ROOT_DIR="$( cd -P "$( dirname "$SOURCE" )/.." && pwd )"
 
-export OS_NAME="${OS_NAME:-ubuntu18.04}"
+export OS_NAME="${OS_NAME:-ubuntu20.04}"
 
 unameOut="$(uname -s)"
 case "${unameOut}" in
@@ -70,8 +70,8 @@ pushd "$ROOT_DIR"
 
 mkdir -p "${DOCKER_VOLUME_DIRECTORY:-.docker}/amd64-${OS_NAME}-ccache"
 mkdir -p "${DOCKER_VOLUME_DIRECTORY:-.docker}/amd64-${OS_NAME}-go-mod"
-mkdir -p "${DOCKER_VOLUME_DIRECTORY:-.docker}/thirdparty"
 mkdir -p "${DOCKER_VOLUME_DIRECTORY:-.docker}/amd64-${OS_NAME}-vscode-extensions"
+mkdir -p "${DOCKER_VOLUME_DIRECTORY:-.docker}/amd64-${OS_NAME}-conan"
 chmod -R 777 "${DOCKER_VOLUME_DIRECTORY:-.docker}"
 
 if [ "${1-}" = "build" ];then