MQTT: Update submodule reference to support new config modes (v4.1) See merge request espressif/esp-idf!13709
@@ -1 +1 @@
-Subproject commit da850b0add1e71b3659bfac5d797cc834dc3e89b
+Subproject commit 9ea804e0ab5368d5ab53ae2301a5fec9d1f12f1a