Add aggregate functions #1935

Job	Run time
Build MacOS (Nix)	17m 38s
Build Linux (Cabal, GHC 9.0.2)	30m 47s
Build Linux (Cabal, GHC 9.2.4)	21m 19s
Build aarch64 (Cabal, GHC ${{ matrix.ghc }})	0s
Build Linux static (Nix)	5m 42s
Build Linux (Stack)	3m 1s
Build MacOS (Stack)	5m 1s
Build Windows (Stack)	6m 55s
Get FreeBSD build from CirrusCI	19s
Lint & check code style	1m 42s
Test memory (Nix)	4m 59s
Test (Nix)	11m 27s
Test PG 9.6 (Nix)	7m 10s
Test PG 10 (Nix)	5m 52s
Test PG 11 (Nix)	7m 23s
Test PG 12 (Nix)	6m 2s
Test PG 13 (Nix)	5m 59s
Test PG 14 (Nix)	7m 20s
Test PG 15 (Nix)	8m 0s
Prepare release	0s
Release on Docker Hub	0s
Release on GitHub	0s
Release Arm Builds on Docker Hub	0s
Remove copied files from server	0s
	2h 36m 36s

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