Install latest stable version in Flink CLI after Feathub is released

[yunfengzhou-hub]

build-cli-deps.sh

# zip Feathub and its dependencies
cd "${CURRENT_DIR}"
if [[ -z "${FEATHUB_WHEEL_PATH}" ]]; then
  # TODO: Install the latest stable version after Feathub released.
  python -m pip install --target __pypackages__ feathub-nightly --no-deps
else
  python -m pip install --target __pypackages__ "${FEATHUB_WHEEL_PATH}" --no-deps
fi