chore: enable git LFS in CI and add AVIF to PNG package recommendation test

src/catalog.rs

@@ -245,6 +245,10 @@ mod tests {
             recommend_packages("png", "jpeg"),
             vec!["convertis-native-image"]
         );
+        assert_eq!(
+            recommend_packages("avif", "png"),
+            vec!["convertis-imagemagick"]
+        );
         assert_eq!(
             recommend_packages("mp4", "frames"),
             vec!["convertis-ffmpeg-video-to-frames"]