Simplify Stack usage in Nix #9844

Job	Run time
build ucm (ubuntu-20.04)	27m 8s
ormolu	13s
build ucm (macOS-13)	43m 2s
build ucm (windows-2019)	35m 14s
run interpreter tests (ubuntu-20.04)	1m 1s
generate jit source	5s
run interpreter tests (macos-13)	3m 9s
run transcripts (ubuntu-20.04)	3m 54s
run transcripts (macos-13)	7m 20s
run transcripts (windows-2019)	7m 38s
build jit binary / build jit binary (ubuntu-20.04)	14s
build jit binary / build jit binary (macOS-13)	18s
build jit binary / build jit binary (windows-2019)	19s
test jit / test jit (ubuntu-20.04)	12s
test jit / test jit (macOS-13)	15s
	2h 10m 2s

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