GIGA R1: fix for UDP endPacket failing #1189

Job	Run time
compile-examples (arduino:mbed:nano33ble, nano33ble)	7m 23s
compile-examples (arduino:mbed:envie_m7, envie_m7)	15m 17s
compile-examples (arduino:mbed:envie_m7:target_core=cm4, envie_m7_core_cm4)	4m 14s
compile-examples (arduino:mbed:nanorp2040connect, nanorp2040connect)	12m 40s
compile-examples (arduino:mbed:nicla_sense, nicla_sense)	12m 49s
compile-examples (arduino:mbed:nicla_vision, nicla_vision)	12m 18s
compile-examples (arduino:mbed:opta, opta)	15m 15s
compile-examples (arduino:mbed:giga, giga)	23m 15s
compile-examples (arduino:mbed:nicla_voice, nicla_voice)	5m 3s
compile-examples (arduino:mbed:edge_control, edge_control)	5m 18s
	1h 53m 32s

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