Move Jenkins test to Github action (#7342)

docker/examples/Dockerfile

@@ -6,8 +6,6 @@ FROM ray-project/deploy
 RUN conda install -y numpy
 # Needed to run Tune example with a 'plot' call - which does not actually render a plot, but throws an error.
 RUN apt-get install -y zlib1g-dev libgl1-mesa-dev
-# The following is needed to support TensorFlow 1.14
-RUN conda remove -y --force wrapt
 RUN pip install -U pip
 RUN pip install gym[atari] opencv-python-headless tensorflow lz4 pytest-timeout smart_open tensorflow_probability dm_tree
 RUN pip install -U h5py  # Mutes FutureWarnings
@@ -17,3 +15,4 @@ RUN pip install ConfigSpace==0.4.10
 RUN pip install --upgrade sigopt nevergrad scikit-optimize hpbandster lightgbm xgboost torch torchvision tensorboardX dragonfly-opt
 RUN pip install -U tabulate mlflow
 RUN pip install -U pytest-remotedata>=0.3.1
+RUN pip install -U matplotlib jupyter pandas