refactor(chain-ops): Reuse `new` constructor method for `ProtocolWatc… #451

Job	Run time
check_formatting	5s
code_coverage	4m 32s
audit_dependencies	41s
linting	1m 22s
test_encoding_compatibility	2m 41s
test_release_profile	2m 20s
Build image [alarms-dispatcher]	2m 35s
Build image [market-data-feeder]	2m 39s
	16m 55s

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