fix: HEAD unnecessarily executing aggregates #1825

Job	Run time
Build aarch64 (Cabal, GHC ${{ matrix.ghc }})	0s
Build Linux (Cabal, GHC 9.0.2)	25m 52s
Build Linux (Cabal, GHC 9.2.4)	26m 35s
Build MacOS (Nix)	15m 31s
Build Linux (Stack)	2m 37s
Build MacOS (Stack)	4m 12s
Build Windows (Stack)	6m 22s
Build Linux static (Nix)	5m 2s
Get FreeBSD build from CirrusCI	6m 16s
Lint & check code style	1m 44s
Test memory (Nix)	4m 51s
Test (Nix)	9m 4s
Test PG 9.6 (Nix)	7m 39s
Test PG 10 (Nix)	7m 32s
Test PG 11 (Nix)	6m 48s
Test PG 12 (Nix)	6m 26s
Test PG 13 (Nix)	7m 12s
Test PG 14 (Nix)	5m 43s
Test PG 15 (Nix)	5m 55s
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
	2h 35m 21s

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