Update CI to build and push freqAI images

docker/Dockerfile.freqai

@@ -2,16 +2,8 @@ ARG sourceimage=freqtradeorg/freqtrade
 ARG sourcetag=develop
 FROM ${sourceimage}:${sourcetag}
 
-USER root
-
-RUN apt-get install -y libgomp1
-
-USER ftuser
-
 # Install dependencies
 COPY requirements-freqai.txt /freqtrade/
 
 RUN pip install -r requirements-freqai.txt --user --no-cache-dir
-# Temporary step - as the source image will contain the wrong (non-freqai) sourcecode
-COPY --chown=ftuser:ftuser . /freqtrade/