refactor: drop low-value regexp from compose/merge/outdated (perf + c… #59

Job	Run time
lint-and-test	51s
parity	1m 7s
cross-compile	36s
e2e	1m 17s
parity-runtime	34m 21s
parity-runtime-arm64-experimental	0s
parity-runtime-full	0s
coverage-report	23s
	38m 35s

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