pool: add Instance info to ConnectionInfo #4081

Job	Run time
testing_mac_os (1.20, macos-13, brew)	6m 6s
run-tests-ce (1.20, 1.10, false, false)	4m 14s
testing_mac_os (1.20, macos-13, 1.10.15)	8m 9s
run-tests-ce (1.20, 2.8, false, false)	4m 13s
testing_mac_os (1.20, macos-14, brew)	4m 4s
run-tests-ce (1.20, 2.10, false, false)	4m 50s
testing_mac_os (stable, macos-13, brew)	5m 34s
run-tests-ce (1.20, master, false, false)	12m 41s
testing_mac_os (stable, macos-13, 1.10.15)	10m 49s
run-tests-ce (stable, 1.10, false, false)	4m 42s
testing_mac_os (stable, macos-14, brew)	4m 22s
run-tests-ce (stable, 2.8, false, false)	4m 29s
run-tests-ce (stable, 2.10, false, false)	4m 54s
run-tests-ce (stable, master, false, false)	12m 32s
run-tests-ce (master, true, 1.20)	14m 20s
run-tests-ce (master, true, 1.20, false)	13m 2s
	1h 59m 1s

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