Connection Pool for Redis #299

Job	Run time
ubuntu-20.04 - 3	1s
ubuntu-20.04 - truffleruby-head	1s
macos-latest - 3.2	22s
ubuntu-20.04 - 3.2	1s
ubuntu-22.04 - 3	9s
macos-latest - 2.7	38s
macos-latest - 3	13s
macos-latest - 3.1	16s
ubuntu-22.04 - 3.2	11s
ubuntu-20.04 - 3.1	1s
ubuntu-20.04 - 2.7	13m 42s
ubuntu-22.04 - 3.1	12s
macos-latest - truffleruby-head	33s
CI Status (matrix)	4s
	16m 24s

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