feat: replace django-rest-swagger with drf-spectacular #1345

Job	Run time
Test dev setup on ubuntu-latest	38s
Build python wheel	1m 14s
Test dev setup on windows-latest	3m 5s
Test dev setup on macos-latest	35s
lint / Lint	36s
End-to-end Test (Python: 3.12, DB: postgres)	11m 30s
Test (Python: 3.9, DB: mysql)	33m 49s
Test installation of all dependencies	1m 17s
Test (Python: 3.9, DB: postgres)	29m 39s
Test (Python: 3.12, DB: mysql)	34m 15s
Test (Python: 3.12, DB: postgres)	37m 30s
Indicate completion to coveralls	2s
required-checks-pass	4s
	2h 34m 14s

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