mavlink: Update to 0.13.2 #507

Job	Run time
linting	13s
formatting	11s
internal-tests (ardupilotmega)	15s
mavlink-dump	10s
internal-tests (asluav)	11s
msrv	2m 47s
internal-tests (matrixpilot)	11s
internal-tests (minimal)	12s
internal-tests (paparazzi)	12s
internal-tests (python_array_test)	13s
internal-tests (slugs)	11s
internal-tests (standard)	12s
internal-tests (test)	13s
internal-tests (ualberta)	11s
internal-tests (uavionix)	2s
internal-tests (icarous)	12s
internal-tests (common)	11s
docs	0s
build	0s
test-embedded-size	0s
	5m 47s

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