Update duckdb index files

.gitattributes

@@ -111,3 +111,4 @@ atari-gravitar/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 atari-robotank/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 atari-centipede/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 atari-seaquest/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
+atari-zaxxon/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

atari-zaxxon/train/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ef3c028a99254acd4f049a8dfdd165047aa2b30eba6789e0b0ea2721aeab1481
+size 3212849152