Enabled parallel tests #745

Job	Run time
Check for news fragments in 'changelog.d/'	10s
Lint (black)	22s
Test Python 3.10, Django 4.2, Redis.py latest	1m 45s
Lint (ruff)	23s
Test Python 3.10, Django 5.0, Redis.py latest	1m 52s
Lint (mypy)	21s
Test Python 3.10, Django 5.1, Redis.py latest	1m 47s
Test Python 3.11, Django 4.2, Redis.py latest	1m 44s
Test Python 3.11, Django 5.0, Redis.py latest	1m 43s
Test Python 3.11, Django 5.1, Redis.py latest	1m 49s
Test Python 3.12, Django 4.2, Redis.py latest	1m 56s
Test Python 3.12, Django 5.0, Redis.py latest	2m 5s
Test Python 3.12, Django 5.1, Redis.py latest	2m 7s
Test Python 3.8, Django 4.2, Redis.py latest	1m 53s
Test Python 3.9, Django 4.2, Redis.py latest	1m 53s
Test Python 3.12, Django 5.1, Redis.py master	1m 55s
Test Python 3.12, Django main, Redis.py latest	2m 11s
Test Python 3.12, Django main, Redis.py master	1m 59s
	27m 55s

Provide feedback