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
 pacovaldez--pandas-questions/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+pacovaldez--pandas-questions/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

pacovaldez--pandas-questions/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9ef344380cf58a4f80097d61d1c0172a0e7b7389ff937cb4289ac6a253d11225
+size 59781120