fix(deps): update dependency djangorestframework to ~3.16

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
djangorestframework (source, changelog)	~3.15 -> ~3.16

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Release Notes

encode/django-rest-framework (djangorestframework)

v3.16.0

Compare Source

https://www.django-rest-framework.org/community/3.16-announcement/

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