Update duckdb index files

.gitattributes

@@ -80,3 +80,4 @@ AsakusaRinne--Gaokao_bench/train/index.duckdb filter=lfs diff=lfs merge=lfs -tex
 2010-2022_Math_II_MCQs/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 2010-2022_Math_I_MCQs/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 2010-2022_Physics_MCQs/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
+2012-2022_English_Cloze_Test/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text

2012-2022_English_Cloze_Test/dev/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d00cfaf6eeb38e21d3447dc92ee3e39554da7c38972fe8e2cb17b1a2e5564162
+size 1060864