Basic Sorbet `typed: true` #1034

Job	Run time
rspec_tests (ubuntu-latest)	20s
tap_syntax	1m 7s
functional_tests (ubuntu-latest)	1m 8s
rspec_tests (macos-latest)	21s
sorbet (ubuntu-latest)	58s
functional_tests (macos-latest)	1m 8s
sorbet (macos-latest)	33s
	5m 35s

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