try to fix docker build failing on pyyaml

docker/api/cnaas-setup.sh

@@ -24,5 +24,5 @@ git checkout $2
 python3 -m pip install --no-cache-dir uwsgi
 python3 -m pip install --no-cache-dir uwsgi gevent
 # https://github.com/yaml/pyyaml/issues/724#issuecomment-1638636728
-python3 -m pip install "cython<3.0.0" && python3 -m pip install --no-build-isolation pyyaml==5.4.1
+python3 -m pip install "cython<3.0.0" wheel && python3 -m pip install --no-build-isolation pyyaml==5.4.1
 python3 -m pip install --no-cache-dir -r requirements.txt