increase version to 20.2.0

Author: AlwinEsch

audiodecoder.dumb/addon.xml.in

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <addon
   id="audiodecoder.dumb"
-  version="20.1.0"
+  version="20.2.0"
   name="DUMB Audio Decoder"
   provider-name="spiff">
   <requires>@ADDON_DEPENDS@</requires>