Bump django from 2.2.10 to 2.2.21 in /UW_Python230_Internet_Programming_In_Python/PY230-django#16

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dependabot/pip/UW_Python230_Internet_Programming_In_Python/PY230-django/django-2.2.21brianminsk/PythonClasses:dependabot/pip/UW_Python230_Internet_Programming_In_Python/PY230-django/django-2.2.21Copy head branch name to clipboard