Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 reubenjohn--stackoverflow-unified-text-open-status-classification/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+reubenjohn--stackoverflow-unified-text-open-status-classification/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text

reubenjohn--stackoverflow-unified-text-open-status-classification/valid/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5cac0be332735eb84bfd8bc31c7fd9238e8718fe101c2fc5f95f9f0cb4f677a9
+size 140783616