feat: an option to package Ruby runtime and an application separately #1190

Job	Run time
setup macos-12 XCode 13.1 Ruby 3.2.5	3m 8s
setup macos-14 XCode 14.3.1 Ruby 3.2.5	1m 19s
setup macos-14 XCode 15.4 Ruby 3.2.5	1m 16s
tests-2 package Ruby 3.1.6 on macos-12, XCode 13.1, Ruby 3.2.5	12m 34s
tests-1 package Ruby 3.1.6 on macos-12, XCode 13.1, Ruby 3.2.5	14m 7s
tests-2 package Ruby 3.2.5 on macos-12, XCode 13.1, Ruby 3.2.5	15m 42s
tests-1 package Ruby 3.2.5 on macos-12, XCode 13.1, Ruby 3.2.5	9m 5s
tests-2 package Ruby 3.3.5 on macos-12, XCode 13.1, Ruby 3.2.5	21m 52s
tests-2 package Ruby 3.1.6 on macos-14, XCode 14.3.1, Ruby 3.2.5	7m 47s
tests-1 package Ruby 3.3.5 on macos-12, XCode 13.1, Ruby 3.2.5	12m 59s
tests-2 package Ruby 3.2.5 on macos-14, XCode 14.3.1, Ruby 3.2.5	5m 59s
tests-2 package Ruby 3.3.5 on macos-14, XCode 14.3.1, Ruby 3.2.5	8m 46s
tests-1 package Ruby 3.1.6 on macos-14, XCode 14.3.1, Ruby 3.2.5	7m 3s
tests-2 package Ruby 3.3.4 on macos-14, XCode 15.4, Ruby 3.3.4	6m 36s
tests-1 package Ruby 3.2.5 on macos-14, XCode 14.3.1, Ruby 3.2.5	4m 4s
tests-1 package Ruby 3.3.5 on macos-14, XCode 14.3.1, Ruby 3.2.5	6m 3s
tests-1 package Ruby 3.3.4 on macos-14, XCode 15.4, Ruby 3.3.4	3m 54s
cross-tests (macos-13)	12s
cross-tests (macos-14)	19s
	2h 22m 45s

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