bump submodule to head of its main

jepler · jepler · commit d23a8046bc32 · 2025-01-29T13:02:28.000-06:00
diff --git a/ports/raspberrypi/lib/Pico-PIO-USB b/ports/raspberrypi/lib/Pico-PIO-USB
@@ -1 +1 @@
-Subproject commit b559b3e1637ead1768514b0de962e21a99a9adbf
+Subproject commit b004a765a122ef3d5fb81a0004aa8575ce89596a
