[BACKPORT v2.12] core: always convert hostname to IP for UDP remotes #4270

Job	Run time
coverage (ubuntu-20.04)	6m 38s
ubuntu-20.04 (mavsdk, hunter)	8m 26s
Ubuntu/Debian packaging (Ubuntu 20.04)	8m 35s
alpine 3.19.0 (musl)	39m 30s
ubuntu-20.04 (package, non-mavsdk_server)	7m 6s
linux-armv6	6m 48s
ubuntu-22.04 (package, non-mavsdk_server)	6m 2s
linux-armv6-musl	37m 17s
linux-armv7	6m 53s
ubuntu-20.04 (non-mavsdk_server, non-superbuild)	5m 52s
linux-armv7l-musl	37m 56s
linux-arm64	6m 43s
linux-arm64-musl	40m 23s
ubuntu-22.04 (style and proto check)	25m 32s
linux-arm64-lts	6m 22s
ubuntu-20.04 (mavsdk_server, superbuild)	47m 37s
ubuntu-22.04 (mavsdk_server, superbuild)	38m 19s
ios	1h 24m 35s
android-arm	21m 8s
ios_simulator_x64	44m 29s
android-arm64	21m 47s
macOS x64	41m 33s
ios_simulator_arm64	1h 33m 31s
android-x86	21m 33s
macOS arm64	21m 42s
android-x86_64	21m 50s
macOS framework x64	52m 17s
Windows	1h 22m 6s
macOS framework arm64	22m 6s
iOS XCFramework	2m 43s
	14h 27m 19s

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