Continuous integration

Use latest version of `usb-device` and `usbd-serial` #733

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
check (stm32f100, stable)	22s
check (stm32f101, stable)	24s
check (stm32f103, stable)	18s
check (stm32f105, stable)	23s
check (stm32f107, stable)	23s
check (nightly, stm32f103, true)	23s
CI	1s
	2m 14s