Release of WLED v0.11.1

Fixed AP hide not saving (fixes #1520)
Fixed MQTT password re-transmitted to HTML
Hide Update buttons while uploading, accept .bin
Make sure AP password is at least 8 characters long

wled00/cfg.cpp

@@ -366,6 +366,7 @@ void serializeConfig() {
   ap[F("ssid")] = apSSID;
   ap[F("pskl")] = strlen(apPass);
   ap[F("chan")] = apChannel;
+  ap[F("hide")] = apHide;
   ap[F("behav")] = apBehavior;
 
   JsonArray ap_ip = ap.createNestedArray("ip");