[libsoup] Default to libsoup3 to match default wpewebkit 2.28

Author: magomez

package/libsoup/Config.in

@@ -18,7 +18,7 @@ if BR2_PACKAGE_LIBSOUP
 
 choice
 	prompt "libsoup version"
-	default BR2_PACKAGE_LIBSOUP_VERSION_2
+	default BR2_PACKAGE_LIBSOUP_VERSION_3
 	help
 	  Select the version of libsoup you wish to use.