Tests

GitHub Actions: Upgrade to codecov v4 #132

Job	Run time
unittests (3.8, django~=3.2, optional-deps)	39s
unittests (3.8, django~=3.2, no-optional-deps)	27s
unittests (3.8, django~=4.2, optional-deps)	40s
unittests (3.8, django~=4.2, no-optional-deps)	26s
unittests (3.9, django~=3.2, optional-deps)	41s
unittests (3.9, django~=3.2, no-optional-deps)	30s
unittests (3.9, django~=4.2, optional-deps)	41s
unittests (3.9, django~=4.2, no-optional-deps)	27s
unittests (3.10, django~=3.2, optional-deps)	35s
unittests (3.10, django~=3.2, no-optional-deps)	30s
unittests (3.10, django~=4.2, optional-deps)	38s
unittests (3.10, django~=4.2, no-optional-deps)	25s
unittests (3.10, django~=5.0, optional-deps)	43s
unittests (3.10, django~=5.0, no-optional-deps)	36s
unittests (3.11, django~=3.2, optional-deps)	33s
unittests (3.11, django~=3.2, no-optional-deps)	28s
unittests (3.11, django~=4.2, optional-deps)	36s
unittests (3.11, django~=4.2, no-optional-deps)	30s
unittests (3.11, django~=5.0, optional-deps)	32s
unittests (3.11, django~=5.0, no-optional-deps)	26s
unittests (3.12, django~=3.2, optional-deps)	45s
unittests (3.12, django~=3.2, no-optional-deps)	29s
unittests (3.12, django~=4.2, optional-deps)	41s
unittests (3.12, django~=4.2, no-optional-deps)	35s
unittests (3.12, django~=5.0, optional-deps)	53s
unittests (3.12, django~=5.0, no-optional-deps)	33s
	14m 59s

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