Bump version to 1.3

Author: kuba160

discord_presence.c

@@ -335,7 +335,7 @@ DB_misc_t plugin = {
     .plugin.api_vminor = 10,
     .plugin.type = DB_PLUGIN_MISC,
     .plugin.version_major = 1,
-    .plugin.version_minor = 2,
+    .plugin.version_minor = 3,
     .plugin.id = "discord_presence",
     .plugin.name ="Discord Rich Presence Plugin",
     .plugin.descr = "Discord Rich Presence Plugin shows your current playing track on your Discord status.\n"