AE-591: Introduced new bootloader version 26 to reflect the latest ch… #1358

Job	Run time
compile-examples (arduino:mbed:envie_m7, envie_m7)	24m 19s
compile-examples (arduino:mbed:opta, opta)	15m 24s
compile-examples (arduino:mbed:nicla_vision, nicla_vision)	13m 52s
compile-examples (arduino:mbed:nanorp2040connect, nanorp2040connect)	11m 40s
compile-examples (arduino:mbed:envie_m7:target_core=cm4, envie_m7_core_cm4)	5m 23s
compile-examples (arduino:mbed:nicla_voice, nicla_voice)	4m 41s
compile-examples (arduino:mbed:edge_control, edge_control)	4m 46s
compile-examples (arduino:mbed:nano33ble, nano33ble)	7m 4s
compile-examples (arduino:mbed:nicla_sense, nicla_sense)	10m 46s
compile-examples (arduino:mbed:giga, giga)	23m 15s
	2h 1m 10s

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