Use `SyntaxText.Unit` as style for `foo()` #8644

Job	Run time
ormolu	12s
build ucm (ubuntu-20.04)	4m 30s
build ucm (macOS-12)	11m 57s
build ucm (windows-2019)	10m 54s
run interpreter tests (ubuntu-20.04)	1m 9s
run transcripts (ubuntu-20.04)	4m 23s
run interpreter tests (macOS-12)	1m 58s
run transcripts (macOS-12)	7m 42s
generate jit source	5s
run transcripts (windows-2019)	7m 13s
build jit binary / build jit binary (ubuntu-20.04)	7s
build jit binary / build jit binary (macOS-12)	22s
build jit binary / build jit binary (windows-2019)	20s
test jit / test jit (ubuntu-20.04)	6s
test jit / test jit (macOS-12)	20s
	51m 18s

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