Run tests via pytest

[flaeppe]

• Restructures tests folder
• Some chain reaction from typing package updates

[github-actions]

File	Coverage	Lines	Branches		Missing
All files	91%	96%	86%	✅
src/bananas/__init__.py	79%	83%	75%	❌	19-20
src/bananas/environment.py	96%	97%	95%	✅	224 230 233
src/bananas/models.py	97%	100%	95%	✅
src/bananas/url.py	96%	100%	93%	✅
src/bananas/admin/extension.py	93%	100%	86%	✅
src/bananas/admin/api/i18n.py	91%	83%	100%	✅	10
src/bananas/admin/api/mixins.py	69%	75%	63%	❌	86 94-102 113 129 139-150
src/bananas/admin/api/serializers.py	75%	100%	50%	❌
src/bananas/admin/api/versioning.py	91%	100%	83%	✅
src/bananas/admin/api/views.py	99%	98%	100%	✅	134
src/bananas/admin/api/schemas/base.py	91%	83%	100%	✅	11
src/bananas/admin/api/schemas/yasg.py	88%	95%	82%	✅	93 102 141-142
src/bananas/drf/fencing.py	87%	94%	80%	✅	96-102 141
src/bananas/management/commands/syncpermissions.py	87%	95%	80%	✅	31

Minimum allowed coverage is 85%

Generated by 🐒 cobertura-action against 277234e

[Swamii]

👍👍