feat: advertise constraints in setup.py

[edx-requirements-bot]

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-storages
Django>=1.11
boto
edx-drf-extensions
lxml
django-fernet-fields
edx-toggles>=2.0.0
pysrt
django-model-utils

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

django-storages
Django>=1.11
boto
edx-drf-extensions
lxml
django-fernet-fields
edx-toggles>=2.0.0
pysrt
django-model-utils

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