feat: advertise constraints in setup.py

[edx-requirements-bot]

Note: sometimes running the update script causes an extraneous parenthesis to show up. To fix, you should just manually remove the character and commit to the branch.

Additional information from script execution

ARCHBOM-1772
Update setup.py to use constraint files when generating requirements files for packaging and distribution.
PR generated automatically with Jenkins job cleanup-python-code.

Result of running python setup.py bdist_wheel before applying fix (in .egg-info/requires.txt):

django==2.2.17
idna==2.8
django-model-utils==2.3.1
freezegun==1.0.0
pylru==1.0.6
urllib3==1.25.11
pyparsing==2.4.7
djangorestframework==3.11.0
sqlparse==0.4.1
beautifulsoup4==4.9.3
python-dateutil==2.8.1
cssutils==1.0.2
soupsieve==2.1
decorator==4.4.2
certifi==2020.12.5
requests==2.22.0
chardet==3.0.4
six==1.15.0
pytz==2020.4
pynliner==0.8.0
pycontracts==1.7.1
underscore.py==0.1.6

Result of running python setup.py bdist_wheel after applying fix (in .egg-info/requires.txt):

django==2.2.17
idna==2.8
django-model-utils==2.3.1
freezegun==1.0.0
pylru==1.0.6
urllib3==1.25.11
pyparsing==2.4.7
djangorestframework==3.11.0
sqlparse==0.4.1
beautifulsoup4==4.9.3
python-dateutil==2.8.1
cssutils==1.0.2
soupsieve==2.1
decorator==4.4.2
certifi==2020.12.5
requests==2.22.0
chardet==3.0.4
six==1.15.0
pytz==2020.4
pynliner==0.8.0
pycontracts==1.7.1
underscore.py==0.1.6

Python code cleanup by the cleanup-python-code Jenkins job.

This pull request was generated by the cleanup-python-code Jenkins job, which ran

curl -sS "https://raw.githubusercontent.com/edx/edx-cookiecutters/master/scripts/update_setup_py.sh" > update_setup_py.sh
bash update_setup_py.sh

The following packages were installed:
semgrep,isort