pkg/picosdk: bump version

AnnsAnns · AnnsAnns · commit 5056aa2df57e · 2025-08-15T12:15:44.000+02:00
diff --git a/pkg/picosdk/Makefile b/pkg/picosdk/Makefile
@@ -1,6 +1,7 @@
 PKG_NAME=picosdk
 PKG_URL=https://github.com/raspberrypi/pico-sdk.git
-PKG_VERSION=bddd20f928ce76142793bef434d4f75f4af6e433
+# Version 2.2.0
+PKG_VERSION=a1438dff1d38bd9c65dbd693f0e5db4b9ae91779
 PKG_LICENSE=BSD-3-Clause
 
 include $(RIOTBASE)/pkg/pkg.mk
