manifest: Update to latest upstream

This should fix the CI failues we've been having with `west twister`.

Signed-off-by: Johan Hedberg <[email protected]>

west.yml

@@ -15,7 +15,7 @@ manifest:
       path: modules/hal/silabs
     - name: zephyr
       remote: zephyrproject-rtos
-      revision: 9f93dede369c365c68b5618844e3d31e35327bc2
+      revision: 9cce72daa192d954ce462c5680bd8b7e1ed0a780
       import:
         # By using name-allowlist we can clone only the modules that are
         # strictly needed by the application.