Update dependency django to v3 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
django (source, changelog)	major	==2.2.7 -> ==3.0

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Release Notes

django/django

### [`v3.0`](https://togithub.com/django/django/compare/2.2.8...3.0) [Compare Source](https://togithub.com/django/django/compare/2.2.8...3.0) ### [`v2.2.8`](https://togithub.com/django/django/compare/2.2.7...2.2.8) [Compare Source](https://togithub.com/django/django/compare/2.2.7...2.2.8)

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