build: safeguard terminal styling in devkit admin script #2922

Job	Run time
build	31s
lint	2m 5s
build-e2e-windows	35s
test	0s
e2e-snapshots	0s
e2e	0s
e2e-package-managers	0s
publish-snapshots	0s
Browser Compatibility Tests	0s
e2e-windows	-1s
	3m 10s

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