update setup.sh to pull from release 0.2.0

Author: spragunr

jmu_gradescope_utils/data/setup.sh

@@ -4,4 +4,5 @@ apt-get install -y python3 python3-pip python3-dev
 
 pip3 install -r /autograder/source/requirements.txt
 
-pip3 install git+https://github.com/JMU-CS/jmu_python_gradescope_utils.git
+pip3 install git+https://github.com/JMU-CS/jmu_python_gradescope_utils.git@v0.2.0
+