CI: Bump MicroPython to v1.22.1.

Author: Gadgetoid

.github/workflows/micropython.yml

@@ -7,7 +7,7 @@ on:
     types: [created]
 
 env:
-  MICROPYTHON_VERSION: v1.21.0
+  MICROPYTHON_VERSION: v1.22.1
   WORKFLOW_VERSION: v1
 
 jobs: