third_party: update libevents (#2405) #4181

Job	Run time
ubuntu-20.04 (mavsdk, hunter)	4m 37s
coverage (ubuntu-20.04)	7m 13s
alpine 3.19.0 (musl)	38m 55s
ubuntu-20.04 (package, non-mavsdk_server)	7m 34s
Ubuntu/Debian packaging (Ubuntu 20.04)	7m 18s
android-arm	21m 29s
ubuntu-22.04 (package, non-mavsdk_server)	5m 49s
ubuntu-24.04 (package, non-mavsdk_server)	6m 58s
android-arm64	21m 34s
linux-armv6	6m 53s
android-x86	21m 1s
linux-armv6-musl	37m 56s
linux-armv7	7m 2s
android-x86_64	21m 11s
linux-armv7l-musl	38m 7s
linux-arm64	7m 1s
ios	1h 19m 44s
linux-arm64-lts	6m 39s
ios_simulator_x64	31m 30s
ios_simulator_arm64	1h 11m 17s
macOS x64	43m 45s
ubuntu-20.04 (non-mavsdk_server, non-superbuild)	6m 11s
linux-arm64-musl	40m 58s
macOS arm64	19m 56s
macOS framework x64	45m 53s
ubuntu-24.04 (style and proto check)	26m 53s
macOS framework arm64	19m 29s
ubuntu-20.04 (mavsdk_server, superbuild)	45m 54s
ubuntu-22.04 (mavsdk_server, superbuild)	36m 5s
Windows	1h 26m 22s
ubuntu-24.04 (mavsdk_server, superbuild)	43m 44s
ubuntu-24.04 (mavsdk_server, superbuild)	43m 39s
ubuntu-24.04 (mavsdk_server, superbuild)	43m 27s
iOS XCFramework	1m 16s
	15h 53m 20s

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