Updating default target filesize

src/options.lua

@@ -32,7 +32,7 @@ local options = {
 	-- used on the encode. If this is set to <= 0, the video bitrate will be set
 	-- to 0, which might enable constant quality modes, depending on the
 	-- video codec that's used (VP8 and VP9, for example).
-	target_filesize = 3000,
+	target_filesize = 4000,
 	-- If true, will use stricter flags to ensure the resulting file doesn't
 	-- overshoot the target filesize. Not recommended, as constrained quality
 	-- mode should work well, unless you're really having trouble hitting