run tests on pg16 (#1340) #1373

Job	Run time
GEMs caching	57s
Brakeman	55s
PqQ processors tests	1m 14s
Rubocop and bundle audit	1m 25s
Check the consistency of the database constraints with the application validations	1m 33s
Rspec tests (6, 0)	11m 28s
Rspec tests (6, 1)	21m 40s
Rspec tests (6, 2)	25m 0s
Rspec tests (6, 3)	11m 1s
Rspec tests (6, 4)	1h 22m 49s
Rspec tests (6, 5)	8m 9s
Coverage	0s
	2h 46m 11s

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