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
 rooftopcoder--coqa-squad-1.0-fixed/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 rooftopcoder--coqa-squad-1.0-fixed/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+rooftopcoder--coqa-squad-1.0-fixed/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

rooftopcoder--coqa-squad-1.0-fixed/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7a47f8248b35f3c9b9d6bae53177f4d2ccd1a3835effb1c99f7bf0d7ea2d7242
+size 21508096