build

Install gperf for mingw as well #1624

Job	Run time
ruby-versions / Generate Ruby versions	2s
build (2.6 / ubuntu-latest)	42s
build (2.6 / macos-latest)	42s
build (2.6 / windows-latest)	40s
build (2.7 / ubuntu-latest)	39s
build (2.7 / macos-latest)	43s
build (2.7 / windows-latest)	42s
build (3.0 / ubuntu-latest)	15s
build (3.0 / macos-latest)	47s
build (3.0 / windows-latest)	29s
build (3.1 / ubuntu-latest)	41s
build (3.1 / macos-latest)	54s
build (3.1 / windows-latest)	36s
build (3.2 / ubuntu-latest)	37s
build (3.2 / macos-latest)	15s
build (3.2 / windows-latest)	40s
build (3.3 / ubuntu-latest)	50s
build (3.3 / macos-latest)	41s
build (3.3 / windows-latest)	30s
build (3.4 / ubuntu-latest)	19s
build (3.4 / macos-latest)	1m 7s
build (3.4 / windows-latest)	48s
build (head / ubuntu-latest)	56s
build (head / macos-latest)	17s
build (truffleruby-head / ubuntu-latest)	44s
build (truffleruby-head / macos-latest)	56s
build (mingw / windows-latest)	50s
build (mswin / windows-2022)	12s
	17m 34s

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