Update maven.yml

Author: JasperGeurtz

.github/workflows/maven.yml

@@ -22,6 +22,7 @@ jobs:
         git clone https://github.com/Bytekeeper/sc-docker.git
         cp it/sc-docker-support/*.dockerfile sc-docker/docker/dockerfiles
         pushd sc-docker
+        pip3 install wheel
         python3 setup.py bdist_wheel
         pip3 install dist/scbw*.whl
         '[ ! -f /tmp/sc-docker/starcraft.zip ] || (cp /tmp/sc-docker/starcraft.zip scbw/local_docker && echo "Using cached starcraft.zip")'