add runarg to control prod flag (#1196) #418

Job	Run time
setup	4s
Gradle build on macos-15-intel	15m 14s
Gradle build on ubuntu-latest	6m 15s
Gradle build on windows-latest	9m 53s
Gradle build on macos-latest	20m 19s
Nightly prerelease (master)	32s
	52m 17s

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