Test

Use dependabot to update GitHub actions #626

Job	Run time
Python 3.8, Database sqlite	1m 11s
Python 3.8, Database postgres	1m 9s
Python 3.9, Database sqlite	1m 25s
Python 3.9, Database postgres	1m 11s
Python 3.10, Database sqlite	1m 43s
Python 3.10, Database postgres	1m 38s
Python 3.11, Database sqlite	1m 32s
Python 3.11, Database postgres	1m 29s
Python 3.12, Database sqlite	1m 20s
Python 3.12, Database postgres	1m 12s
Python pypy-3.9, Database sqlite	1m 39s
Python pypy-3.9, Database postgres	1m 25s
Python pypy-3.10, Database sqlite	1m 40s
Python pypy-3.10, Database postgres	1m 32s
	20m 6s

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