Update duckdb index files

fernandals--UFRN-posts/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:b3234b55ceea1d4f578cf3c10fd369b17854b9dfa117f76883b66a8c07b94112
-size 319303680
+oid sha256:227e712b25b324defc021ed911f5e8b0d1ff377fcfb26ac0ecbfd508b9176774
+size 319041536