[v1.4] Fix calibration in telemetry health #3398

Job	Run time
coverage (ubuntu-20.04)	4m 23s
alpine 3.11.6 (musl)	29m 42s
ubuntu-18.04 (package, non-mavsdk_server)	6m 15s
ubuntu-20.04 (package, non-mavsdk_server)	6m 32s
Ubuntu/Debian packaging (Ubuntu 20.04)	6m 7s
android-arm	15m 42s
android-arm64	15m 54s
android-x86	21m 10s
android-x86_64	22m 49s
linux-armv6	4m 57s
linux-armv7	4m 51s
linux-arm64	6m 31s
linux-armv6-musl	25m 45s
linux-armv7l-musl	25m 49s
linux-arm64-musl	34m 7s
manylinux2010-x64	18m 22s
ios	24m 31s
ios_simulator	28m 50s
macOS	38m 6s
macOS-framework	29m 40s
fedora-34 (package, non-mavsdk_server)	5m 33s
fedora-35 (package, non-mavsdk_server)	5m 15s
ubuntu-20.04 (check style and docs)	6m 54s
ubuntu-20.04 (mavsdk, hunter)	10m 16s
ubuntu-20.04 (non-mavsdk_server, non-superbuild)	5m 26s
ubuntu-20.04 (proto check)	13m 10s
ubuntu-20.04 (mavsdk_server, superbuild)	22m 30s
Windows	50m 1s
iOS XCFramework	1m 5s
	8h 10m 13s

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