pool: add Instance info to ConnectionInfo #4078

Job	Run time
run-tests-ce (1.20, 1.10, false, false)	2m 20s
run-tests-ce (1.20, 2.8, false, false)	2m 24s
testing_mac_os (1.20, macos-13, brew)	3m 23s
run-tests-ce (1.20, 2.10, false, false)	2m 33s
testing_mac_os (1.20, macos-13, 1.10.15)	9m 1s
run-tests-ce (1.20, master, false, false)	10m 23s
testing_mac_os (1.20, macos-14, brew)	2m 22s
run-tests-ce (stable, 1.10, false, false)	2m 17s
testing_mac_os (stable, macos-13, brew)	2m 50s
run-tests-ce (stable, 2.8, false, false)	2m 33s
testing_mac_os (stable, macos-13, 1.10.15)	6m 45s
run-tests-ce (stable, 2.10, false, false)	2m 31s
testing_mac_os (stable, macos-14, brew)	2m 19s
run-tests-ce (stable, master, false, false)	10m 15s
run-tests-ce (master, true, 1.20)	10m 9s
run-tests-ce (master, true, 1.20, false)	10m 6s
	1h 22m 11s

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