Update duckdb index files

.gitattributes

@@ -73,3 +73,4 @@ AsakusaRinne--Gaokao_bench/train/index.duckdb filter=lfs diff=lfs merge=lfs -tex
 2010-2022_Chemistry_MCQs/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 2010-2022_Chinese_Modern_Lit/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 2010-2022_Biology_MCQs/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
+2010-2022_English_Fill_in_Blanks/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text

2010-2022_English_Fill_in_Blanks/dev/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:92718a68b1b7685ce72234026e351abbac45156805aca1905c6082c88f274433
+size 1323008