Add a "start" event for Live Activities #197

Job	Run time
JDK 8, ubuntu-22.04, native transport, native SSL provider	1m 25s
JDK 8, ubuntu-22.04, native transport, JDK SSL provider	1m 13s
JDK 8, ubuntu-22.04, JDK transport, native SSL provider	1m 15s
JDK 8, ubuntu-22.04, JDK transport, JDK SSL provider	1m 15s
JDK 17, ubuntu-22.04, native transport, native SSL provider	1m 18s
JDK 17, ubuntu-22.04, native transport, JDK SSL provider	1m 14s
JDK 17, ubuntu-22.04, JDK transport, native SSL provider	1m 27s
JDK 17, ubuntu-22.04, JDK transport, JDK SSL provider	1m 18s
JDK 21, ubuntu-22.04, native transport, native SSL provider	1m 18s
JDK 21, ubuntu-22.04, native transport, JDK SSL provider	1m 21s
JDK 21, ubuntu-22.04, JDK transport, native SSL provider	1m 15s
JDK 21, ubuntu-22.04, JDK transport, JDK SSL provider	1m 18s
JDK 8, macos-latest, native transport, native SSL provider	1m 54s
JDK 8, macos-latest, native transport, JDK SSL provider	1m 46s
JDK 8, macos-latest, JDK transport, native SSL provider	1m 36s
JDK 8, macos-latest, JDK transport, JDK SSL provider	1m 26s
JDK 17, macos-latest, native transport, native SSL provider	1m 39s
JDK 17, macos-latest, native transport, JDK SSL provider	1m 57s
JDK 17, macos-latest, JDK transport, native SSL provider	1m 53s
JDK 17, macos-latest, JDK transport, JDK SSL provider	1m 50s
JDK 21, macos-latest, native transport, native SSL provider	1m 39s
JDK 21, macos-latest, native transport, JDK SSL provider	1m 21s
JDK 21, macos-latest, JDK transport, native SSL provider	1m 55s
JDK 21, macos-latest, JDK transport, JDK SSL provider	1m 20s
	35m 53s

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