chore: Add support for Django 6.x #49

Job	Run time
Validate Pull Request	7s
Check Template Size	4s
Test Feature Combinations (drf, none)	15s
Test Feature Combinations (advanced)	16s
Test Feature Combinations (graphql-strawberry, none)	13s
Test Feature Combinations (temporal)	13s
Test Feature Combinations (both)	16s
Test Feature Combinations (both, none)	13s
Test Feature Combinations (none, htmx-tailwind)	12s
Test Feature Combinations (celery)	15s
Test Feature Combinations (basic)	13s
Test Feature Combinations (none)	14s
	2m 31s

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