Various fixes & improvements
- Use content-length header in ASGI instead of reading request body (1646, 1631, 1595, 1573) (1649) by antonpirker
- Added newer Celery versions to test suite (1655) by antonpirker
- Django 4.x support (1632) by antonpirker
- Cancel old CI runs when new one is started. (1651) by antonpirker
- Increase max string size for desc (1647) by k-fish
- Pin Sanic version for CI (1650) by antonpirker
- Fix for partial signals in old Django and old Python versions. (1641) by antonpirker
- Convert profile output to the sample format (1611) by phacops
- Dynamically adjust profiler sleep time (1634) by Zylphrex