Corrected typo in AudioDelay #708

Job	Run time
debounce	2s
arduino:avr:uno	2m 9s
arduino:avr:mega	2m 11s
esp8266:esp8266:huzzah	18m 14s
STMicroelectronics:stm32:GenF1:pnum=BLUEPILL_F103C8	14m 53s
arduino:mbed_giga:giga	26m 6s
arduino:samd:adafruit_circuitplayground_m0	4m 4s
rp2040:rp2040:rpipico	13m 9s
arduino:renesas_uno:minima	12m 16s
teensy:avr:teensy36	9m 30s
teensy:avr:teensy41	9m 2s
report	0s
	1h 51m 36s

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