nix: Make postgrest-with-postgresql-xxx postgrest-test-io work better #2561

Job	Run time
Lint & check code style	1m 56s
Build MacOS (Nix)	9m 10s
Build Linux (Stack)	43s
Build Linux static (Nix)	1m 20s
Build Linux (Cabal, GHC 9.4.8)	2m 40s
Build MacOS (Stack)	2m 0s
Build Linux (Cabal, GHC 9.6.4)	1m 19s
Build Windows (Stack)	4m 10s
Get FreeBSD build from CirrusCI	8m 54s
Build Linux (Cabal, GHC 9.8.1)	1m 42s
Loadtest (Nix)	8m 25s
Test memory (Nix)	2m 11s
Test (Nix)	6m 41s
Test PG 9.6 (Nix)	5m 3s
Test PG 10 (Nix)	5m 29s
Build aarch64 (Cabal, GHC 9.4.8)	0s
Test PG 11 (Nix)	5m 7s
Test PG 12 (Nix)	5m 2s
Test PG 13 (Nix)	5m 5s
Test PG 14 (Nix)	5m 6s
Test PG 15 (Nix)	5m 4s
Test PG 16 (Nix)	5m 7s
Prepare release	0s
Release on GitHub	0s
Release on Docker Hub	0s
Release Arm Builds on Docker Hub	0s
Remove copied files from server	0s
	1h 32m 14s

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