Update timeout and retry for ci to install requirement (#15498)

Signed-off-by: Jenny Li <jing.li@zilliz.com>

tests/scripts/ci-util.sh

@@ -36,7 +36,7 @@ ROOT="$( cd -P "$( dirname "$SOURCE" )/../.." && pwd )"
 function install_pytest_requirements(){
  echo "Install pytest requirements"
  cd ${ROOT}/tests/python_client
- python3 -m pip install --no-cache-dir -r requirements.txt
+ python3 -m pip install --no-cache-dir -r requirements.txt --timeout 30 --retries 6 
 }
 
 # Login in ci docker registry