Merge pull request #446 from patchlevel/update-supported-dbs #1506

Job	Run time
mariadb (locked, 8.3, ubuntu-latest, 10.4)	1m 19s
mysql (locked, 8.3, ubuntu-latest, 5.7)	1m 25s
mariadb (locked, 8.3, ubuntu-latest, 10.6)	52s
mysql (locked, 8.3, ubuntu-latest, 8.0)	55s
mariadb (locked, 8.3, ubuntu-latest, 10.11)	59s
Postgres (locked, 8.3, ubuntu-latest, 12.17)	1m 26s
mysql (locked, 8.3, ubuntu-latest, 8.2)	56s
mariadb (locked, 8.3, ubuntu-latest, 11.2)	1m 20s
Postgres (locked, 8.3, ubuntu-latest, 13.13)	1m 26s
Sqlite (locked, 8.3, ubuntu-latest)	18s
Postgres (locked, 8.3, ubuntu-latest, 14.10)	51s
Postgres (locked, 8.3, ubuntu-latest, 15.5)	51s
Postgres (locked, 8.3, ubuntu-latest, 16.1)	1m 27s
	14m 5s

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