Update to flutter 3.41.9

Grabbed from flutter upstream fix. Fixes a potential integer overflow that can happen when handling some animated PNG files.

Author: GeneralKaos666

build.toml

@@ -1,5 +1,5 @@
 [flutter]
-tag = '3.41.8'
+tag = '3.41.9'
 repo = 'https://github.com/flutter/flutter'
 path = './flutter'