Update duckdb index files

.gitattributes

@@ -64,3 +64,4 @@ hotpotqa.random-split/validation/index.duckdb filter=lfs diff=lfs merge=lfs -tex
 hotpotqa.random-split/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 naturalquestions.original-split/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 naturalquestions.original-split/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+newsqa.original-split/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

newsqa.original-split/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:29be228ebf807b85ffbd3bb3b0c6ca9d7de40f068ee5da996403d65dafc2e1a9
+size 9187328