build

Define most of Pathname in Ruby #160

Job	Run time
ruby-versions / Generate Ruby versions	3s
build (3.2 / ubuntu-latest)	8s
build (3.3 / windows-latest)	1m 49s
build (3.4 / ubuntu-latest)	10s
build (3.2 / windows-latest)	1m 43s
build (3.3 / macos-latest)	10s
build (3.2 / macos-latest)	14s
build (3.3 / ubuntu-latest)	8s
build (3.4 / macos-latest)	12s
build (3.4 / windows-latest)	2m 47s
build (head / ubuntu-latest)	10s
build (mingw / windows-latest)	1m 59s
build (head / macos-latest)	12s
build (mswin / windows-latest)	1m 56s
	11m 41s

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