Test and deploy

Bring new multi-GCS protocol messages from mavlink/mavlink #482

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Run time

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Job	Run time
Python 3.6 tests	1m 16s
Formatting check	19s
Python 3.7 tests	1m 13s
Node 12 test	46s
Python 3.8 tests	1m 5s
Node 14 test	47s
Python 3.9 tests	1m 3s
Python 3.10 tests	59s
Python 3.11 tests	54s
Generate and push C headers	0s
	8m 22s