Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 SahandNZ--cryptonews-articles-with-price-momentum-labels/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 SahandNZ--cryptonews-articles-with-price-momentum-labels/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+SahandNZ--cryptonews-articles-with-price-momentum-labels/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

SahandNZ--cryptonews-articles-with-price-momentum-labels/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:505598e28189a66dbf85dad3894516a97985a4d2272d4351670c1336b7418462
+size 4206592