Update duckdb index files

.gitattributes

@@ -1,3 +1,4 @@
 Pavithree--eli5_39422_59134/json-train.parquet filter=lfs diff=lfs merge=lfs -text
 Pavithree--eli5_39422_59134/json-test.parquet filter=lfs diff=lfs merge=lfs -text
 Pavithree--eli5_39422_59134/json-validation.parquet filter=lfs diff=lfs merge=lfs -text
+Pavithree--eli5_39422_59134/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

Pavithree--eli5_39422_59134/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9d139949b340fbf49e073abee7d355610b4312c9ea9e1dc27bc78f20f3a4bff3
+size 23605248