Update duckdb index files

.gitattributes

@@ -56,3 +56,4 @@ test.parquet filter=lfs diff=lfs merge=lfs -text
 train.parquet filter=lfs diff=lfs merge=lfs -text
 validation.parquet filter=lfs diff=lfs merge=lfs -text
 pszemraj--SQuALITY-v1.3-flat/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+pszemraj--SQuALITY-v1.3-flat/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

pszemraj--SQuALITY-v1.3-flat/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f8fa30c9e0ef4e83ab9e9068d1807686b625aa3215a355368385ef12b1eeff50
+size 16003072