Test

Add national to the list of extension-compatible formats #550

Job	Run time
Python 3.8 / dj32	35s
Python 3.8 / dj41	37s
Python 3.8 / dj42	36s
Python 3.9 / dj32	35s
Python 3.9 / dj41	48s
Python 3.9 / dj42	36s
Python 3.10 / dj32	38s
Python 3.10 / dj41	1m 38s
Python 3.10 / dj42	40s
Python 3.10 / dj50	37s
Python 3.11 / dj32	38s
Python 3.11 / dj41	48s
Python 3.11 / dj42	43s
Python 3.11 / dj50	38s
Python 3.12 / dj32	49s
Python 3.12 / dj41	46s
Python 3.12 / dj42	50s
Python 3.12 / dj50	43s
Python 3.10 / djmain	48s
Python 3.11 / djmain	52s
Python 3.12 / djmain	55s
Indicate completion to coveralls.io	17s
	16m 7s

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