Update duckdb index files

.gitattributes

@@ -2,3 +2,4 @@ jonaskoenig--Questions-vs-Statements-Classification/csv-train.parquet filter=lfs
 jonaskoenig--Questions-vs-Statements-Classification/csv-test.parquet filter=lfs diff=lfs merge=lfs -text
 jonaskoenig--Questions-vs-Statements-Classification/csv-validation.parquet filter=lfs diff=lfs merge=lfs -text
 jonaskoenig--Questions-vs-Statements-Classification/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+jonaskoenig--Questions-vs-Statements-Classification/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

jonaskoenig--Questions-vs-Statements-Classification/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2c94069eb739252f8f6aac7168880f7cdf7f29f80bb81821193247cf59113b3d
+size 9711616