Bump version to 3.2.2 #427

Job	Run time
ruby-versions / Generate Ruby versions	2s
ubuntu-latest 2.7	1m 8s
ubuntu-latest 3.0	33s
ubuntu-latest 3.1	38s
ubuntu-latest 3.2	34s
ubuntu-latest 3.3	36s
ubuntu-latest 3.4	33s
ubuntu-latest debug	41s
ubuntu-latest head	32s
macos-latest 2.7	1m 3s
macos-latest 3.0	29s
macos-latest 3.1	42s
macos-latest 3.2	42s
macos-latest 3.3	28s
macos-latest 3.4	22s
macos-latest debug	31s
macos-latest head	31s
macos-14 2.7	1m 17s
macos-14 3.0	28s
macos-14 3.1	42s
macos-14 3.2	26s
macos-14 3.3	27s
macos-14 3.4	23s
macos-14 debug	36s
macos-14 head	32s
windows-latest 2.7	3m 36s
windows-latest 3.3	2m 35s
windows-latest 3.4	2m 9s
windows-latest head	1m 57s
windows-latest mingw	1m 56s
windows-latest mswin	1m 44s
	28m 53s

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