Update duckdb index files

.gitattributes

@@ -3,3 +3,4 @@ papluca--language-identification/csv-test.parquet filter=lfs diff=lfs merge=lfs
 papluca--language-identification/csv-validation.parquet filter=lfs diff=lfs merge=lfs -text
 papluca--language-identification/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 papluca--language-identification/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+papluca--language-identification/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

papluca--language-identification/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:863e26b8ce556f99dc35bec0f9952aebac17376b74885089ce317e26fec6b246
+size 3420160