Update duckdb index files

.gitattributes

@@ -25,3 +25,4 @@ default/word_overlap/0000.parquet filter=lfs diff=lfs merge=lfs -text
 default/antonym/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/length_mismatch/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/negation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/numerical_reasoning/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/numerical_reasoning/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:339361ef6b79012ecb49fe6fff895b10207d13f9de00ca7dc7978d6763bde4f3
+size 2633728