core: make udpin parsing stricter #4222

Job	Run time
Ubuntu/Debian packaging (Ubuntu 20.04)	8m 57s
alpine 3.19.0 (musl)	37m 57s
coverage (ubuntu-20.04)	6m 50s
ubuntu-20.04 (package, non-mavsdk_server)	7m 20s
android-arm	21m 38s
ubuntu-22.04 (package, non-mavsdk_server)	6m 7s
linux-armv6	6m 58s
linux-armv6-musl	37m 51s
android-arm64	21m 16s
ubuntu-24.04 (package, non-mavsdk_server)	7m 5s
linux-armv7	6m 41s
linux-armv7l-musl	37m 50s
android-x86	21m 46s
linux-arm64	7m 4s
linux-arm64-musl	40m 54s
android-x86_64	21m 35s
ios	1h 15m 27s
linux-arm64-lts	6m 29s
ios_simulator_x64	31m 45s
ubuntu-20.04 (mavsdk, hunter)	4m 53s
ios_simulator_arm64	1h 36m 13s
macOS x64	42m 53s
ubuntu-20.04 (non-mavsdk_server, non-superbuild)	6m 27s
macOS arm64	19m 36s
ubuntu-24.04 (style and proto check)	27m 30s
macOS framework x64	44m 38s
ubuntu-20.04 (mavsdk_server, superbuild)	47m 56s
macOS framework arm64	21m 49s
Windows	1h 21m 55s
ubuntu-22.04 (mavsdk_server, superbuild)	40m 43s
ubuntu-24.04 (mavsdk_server, superbuild)	44m 14s
ubuntu-24.04 (mavsdk_server, superbuild)	47m 14s
ubuntu-24.04 (mavsdk_server, superbuild)	43m 24s
iOS XCFramework	1m 23s
	16h 22m 18s

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