Bump version to 4.3.2 #95

Job	Run time
ruby-versions / Generate Ruby versions	2s
Test (2.7 / ubuntu-latest)	47s
Test (2.7 / macos-latest)	1m 17s
Test (2.7 / windows-latest)	2m 58s
Test (3.0 / ubuntu-latest)	23s
Test (3.0 / macos-latest)	59s
Test (3.0 / windows-latest)	2m 12s
Test (3.1 / ubuntu-latest)	29s
Test (3.1 / macos-latest)	53s
Test (3.1 / windows-latest)	2m 34s
Test (3.2 / ubuntu-latest)	20s
Test (3.2 / macos-latest)	56s
Test (3.2 / windows-latest)	3m 3s
Test (head / ubuntu-latest)	17s
Test (head / macos-latest)	39s
Test (head / windows-latest)	1m 38s
	19m 27s

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