Update golden helper #2524

Job	Run time
packages (packages/rx_bloc)	2m 4s
packages (packages/rx_bloc_test)	2m 23s
packages (packages/rx_bloc_generator)	3m 31s
examples (examples/booking_app)	2m 33s
cli_packages (packages/rx_bloc_cli)	2m 25s
examples (examples/counter)	1m 48s
flutter_packages (packages/rx_bloc_list)	3m 10s
examples (examples/division)	1m 33s
flutter_packages (packages/flutter_rx_bloc)	3m 14s
examples (examples/favorites_advanced/rx_bloc_favorites_advanced)	1m 59s
examples (examples/todoapp)	2m 57s
build	1s
	27m 38s

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