CustomEvent is widely available for many years (#400) #179

Job	Run time
tests_node	17s
Test on Python 3.9 and Django 4.2 on postgres	1m 16s
Test on Python 3.10 and Django 4.2 on postgres	1m 11s
Test on Python 3.12 and Django 5.1 on postgres	1m 3s
Test on Python 3.10 and Django 5.0 on postgres	1m 18s
Test on Python 3.12 and Django 4.2 on postgres	1m 9s
Test on Python 3.10 and Django 5.1 on postgres	59s
Test on Python 3.11 and Django 5.0 on postgres	1m 13s
Test on Python 3.11 and Django 4.2 on postgres	1m 10s
Test on Python 3.12 and Django 5.0 on postgres	1m 4s
Test on Python 3.13 and Django 5.1 on postgres	1m 13s
Test on Python 3.11 and Django 5.2 on postgres	1m 15s
Test on Python 3.10 and Django 5.2 on postgres	1m 9s
Test on Python 3.12 and Django 5.2 on postgres	1m 12s
Test on Python 3.11 and Django 5.1 on postgres	1m 13s
Test on Python 3.9 and Django 4.2 on sqlite	1m 22s
Test on Python 3.13 and Django 5.2 on postgres	1m 9s
	19m 13s

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