chore: Release stackablectl 1.2.1 (#420) #32

Job	Run time
Release for x86_64-unknown-linux-gnu	6m 49s
Release for x86_64-apple-darwin	7m 11s
Release for aarch64-apple-darwin	9m 37s
Release for aarch64-unknown-linux-gnu	5m 53s
	29m 30s

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