[READY] Merge master into v2.x (please don't squash commits!) #383

Job	Run time
rubocop	13s
Unit test (ubuntu-20.04, 3)	1m 46s
Unit test (ubuntu-20.04, 3.1)	1m 42s
Unit test (ubuntu-20.04, 3.2)	1m 46s
Unit test (ubuntu-20.04, 3.3)	1m 45s
Unit test (ubuntu-20.04, jruby-9.4)	2m 23s
Unit test (ubuntu-20.04, truffleruby)	3m 45s
Unit test (macos-latest, 3)	1m 41s
Unit test (macos-latest, 3.1)	1m 36s
Unit test (macos-latest, 3.2)	1m 36s
Unit test (macos-latest, 3.3)	1m 45s
Unit test (macos-latest, jruby-9.4)	1m 55s
Unit test (macos-latest, truffleruby)	2m 38s
Unit test (windows-latest, 3)	4m 30s
Unit test (windows-latest, 3.1)	3m 12s
Unit test (windows-latest, 3.2)	3m 15s
Unit test (windows-latest, 3.3)	4m 8s
finish	3s
	39m 39s

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