lib/micropython: Update micropython submodule to v1.20.0.

dpgeorge · dpgeorge · commit 16fe526d8817 · 2023-05-15T17:01:15.000+10:00
Signed-off-by: Damien George &lt;damien@micropython.org&gt;
diff --git a/lib/micropython b/lib/micropython
@@ -1 +1 @@
-Subproject commit da4b38e7562dfa451917f9d7f344a7f26de8c7bd
+Subproject commit 294baf52b346e400e2255c6c1e82af5b978b18f7
