Feature: saving additional PHY stats to CSV file (eg channel samples count) #376

Job	Run time
cancel-previous-runs	8s
Test Suite network-forming	7m 5s
Test Suite commissioning	6m 48s
Test Suite connectivity	53m 4s
Test Suite network-latency	4m 14s
Test Suite multicast-performance	3m 2s
Test Suite otns-performance	3m 53s
Test Suite network-limits	2m 59s
	1h 21m 13s

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