Close idle channels instead of sending PING frames #195

Job	Run time
JDK 8, ubuntu-22.04, native transport, native SSL provider	1m 16s
JDK 8, ubuntu-22.04, native transport, JDK SSL provider	1m 24s
JDK 8, ubuntu-22.04, JDK transport, native SSL provider	1m 18s
JDK 8, ubuntu-22.04, JDK transport, JDK SSL provider	1m 28s
JDK 17, ubuntu-22.04, native transport, native SSL provider	1m 26s
JDK 17, ubuntu-22.04, native transport, JDK SSL provider	1m 31s
JDK 17, ubuntu-22.04, JDK transport, native SSL provider	1m 35s
JDK 17, ubuntu-22.04, JDK transport, JDK SSL provider	1m 16s
JDK 21, ubuntu-22.04, native transport, native SSL provider	1m 20s
JDK 21, ubuntu-22.04, native transport, JDK SSL provider	1m 26s
JDK 21, ubuntu-22.04, JDK transport, native SSL provider	1m 28s
JDK 21, ubuntu-22.04, JDK transport, JDK SSL provider	1m 31s
JDK 8, macos-latest, native transport, native SSL provider	1m 31s
JDK 8, macos-latest, native transport, JDK SSL provider	1m 33s
JDK 8, macos-latest, JDK transport, native SSL provider	1m 46s
JDK 8, macos-latest, JDK transport, JDK SSL provider	1m 32s
JDK 17, macos-latest, native transport, native SSL provider	1m 30s
JDK 17, macos-latest, native transport, JDK SSL provider	1m 44s
JDK 17, macos-latest, JDK transport, native SSL provider	1m 48s
JDK 17, macos-latest, JDK transport, JDK SSL provider	1m 52s
JDK 21, macos-latest, native transport, native SSL provider	1m 35s
JDK 21, macos-latest, native transport, JDK SSL provider	1m 41s
JDK 21, macos-latest, JDK transport, native SSL provider	1m 21s
JDK 21, macos-latest, JDK transport, JDK SSL provider	1m 21s
	36m 13s

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