Set usbd-midi to 0.3.0 to match when it was added

Author: mtthw-meyer

Cargo.toml

@@ -57,6 +57,6 @@ opt-level = "s" # optimize for binary size
 
 [dev_dependencies]
 embedded-sdmmc = "0.5.0"
-usbd-midi = { git = "https://github.com/btrepp/usbd-midi/" }
+usbd-midi = "0.3.0"
 num_enum = { version = "0.7.3", default-features = false }
 usb-device = "0.3.0"