v2.0.3: Fix USB Reset IRQ
This release fixes the USB Reset IRQ so that it doesn't constantly fire during a reset. Rather, it fires once at the start of the reset.
This should increase stability on a variety of machines, particularly when using tinyusb. Under those circumstances, resets could be as long as 100 mS, during which the CPU was functionally unusable.
This release is compatible with the circuitpython release.