macos

Support for `rb_io_mode_t`. #449

Job	Run time
ruby-versions / Generate Ruby versions	2s
macos-13 2.7	1m 13s
macos-13 3.0	24s
macos-13 3.1	24s
macos-13 3.2	35s
macos-13 3.3	27s
macos-13 3.4	30s
macos-13 debug	44s
macos-13 head	40s
macos-14 2.7	29s
macos-14 3.0	15s
macos-14 3.1	15s
macos-14 3.2	12s
macos-14 3.3	13s
macos-14 3.4	21s
macos-14 debug	20s
macos-14 head	16s
	7m 20s

Provide feedback