Change cache control to revalidate each time

wled00/wled.h

@@ -8,7 +8,7 @@
  */
 
 // version code in format yymmddb (b = daily build)
-#define VERSION 2103200
+#define VERSION 2103201
 
 //uncomment this if you have a "my_config.h" file you'd like to use
 //#define WLED_USE_MY_CONFIG

wled00/wled_server.cpp

@@ -247,7 +247,7 @@ bool handleIfNoneMatchCacheHeader(AsyncWebServerRequest* request)
 
 void setStaticContentCacheHeaders(AsyncWebServerResponse *response)
 {
-  response->addHeader(F("Cache-Control"),"max-age=2592000");
+  response->addHeader(F("Cache-Control"),"no-cache");
   response->addHeader(F("ETag"), String(VERSION));
 }