Update duckdb index files

.gitattributes

@@ -68,3 +68,4 @@ AsakusaRinne--Gaokao_bench/train/index.duckdb filter=lfs diff=lfs merge=lfs -tex
 2010-2022_Physics_MCQs/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 2010-2022_Political_Science_MCQs/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 2012-2022_English_Cloze_Test/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+2010-2013_English_MCQs/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text

2010-2013_English_MCQs/dev/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:53c5edb1b3e00955c75b92c5bfb1765f3f1cd9a8d7f7fdd20d56e9e23f2af0dc
+size 1060864