Updated config

ampel-firmware/config.public.h

@@ -41,8 +41,8 @@
 // AMPEL_CONFIG_VERSION should be defined, and have exactly 3 characters.
 // If you modify this string, every parameter saved on the Ampel will be replaced by the ones in config.h.
 // AMPEL_CONFIG_VERSION should also be updated if the configuration structure is modified.
-// The structure of the Ampel configuration has been modified 11 times, so it's called "a11" for now.
-#  define AMPEL_CONFIG_VERSION "a11"
+// The structure of the Ampel configuration has been modified 13 times, so it's called "a13" for now.
+#  define AMPEL_CONFIG_VERSION "a13"
 
 /**
  * SERVICES