Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 mattbit--tweet-sentiment-airlines/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+mattbit--tweet-sentiment-airlines/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

mattbit--tweet-sentiment-airlines/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5a1da9eac63d674136e0f60895ae2bf78b0cfdb95bb77441689867a38020d367
+size 2109440