Adding Make target for tester_pro_micro. #311

Job	Run time
build / Fetch Build Keyboards	9s
build / Build (nice_nano_v2, corne_left)	4m 19s
build / Build (nice_nano_v2, corne_right)	4m 11s
build / Build (nice_nano_v2, lily58_left nice_view_adapter nice_view)	4m 26s
build / Build (nice_nano_v2, lily58_right nice_view_adapter nice_view)	4m 36s
build / Build (seeeduino_xiao_ble, zaphod_lite)	4m 18s
build / Build (nice_nano_v2, cradio_left, zmk-usb-logging)	4m 44s
build / Build (nice_nano_v2, cradio_right)	4m 15s
build / Build (seeeduino_xiao_ble, weejock, studio-rpc-usb-uart)	4m 14s
build / Build (seeeduino_xiao_ble, tern_ble)	4m 11s
build / Build (rp2040_zero, cheapino, studio-rpc-usb-uart, -DCONFIG_ZMK_STUDIO=y)	2m 35s
build / Build (seeeduino_xiao_rp2040, hummingbird, studio-rpc-usb-uart zmk-usb-logging, -DCONFIG_ZMK_STUD...	4m 4s
build / Build (nice_nano_v2, tester_pro_micro, studio-rpc-usb-uart, -DCONFIG_ZMK_STUDIO=y -DCONFIG_ZMK_ST...	2m 56s
build / Merge Output Artifacts	0s
	48m 58s

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