refactor: reduce the number of builds done in output-path_spec #8196

Job	Run time
lint	2m 10s
e2e_windows (windows-2025, 22, npm, 3)	33m 56s
e2e_windows (windows-2025, 22, esbuild, 3)	32m 22s
build	2m 5s
e2e_windows (windows-2025, 22, npm, 5)	37m 6s
e2e_windows (windows-2025, 22, npm, 2)	37m 7s
e2e_windows (windows-2025, 22, esbuild, 5)	29m 10s
e2e_windows (windows-2025, 22, npm, 1)	52m 41s
e2e_windows (windows-2025, 22, esbuild, 4)	34m 39s
e2e_windows (windows-2025, 22, npm, 4)	33m 51s
e2e_windows (windows-2025, 22, npm, 0)	37m 32s
e2e_windows (windows-2025, 22, esbuild, 1)	35m 59s
e2e_windows (windows-2025, 22, esbuild, 0)	32m 13s
e2e_windows (windows-2025, 22, esbuild, 2)	33m 23s
publish-snapshots	5m 1s
test	10m 27s
Browser Compatibility Tests	13m 42s
e2e	0s
e2e-snapshots	0s
e2e-package-managers	0s
	7h 43m 24s

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