Update duckdb index files

.gitattributes

@@ -65,3 +65,4 @@ AsakusaRinne--Gaokao_bench/train/index.duckdb filter=lfs diff=lfs merge=lfs -tex
 2010-2022_History_MCQs/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 2010-2022_Math_II_MCQs/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 2010-2022_Math_I_MCQs/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+2010-2022_Physics_MCQs/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

2010-2022_Physics_MCQs/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f1e7bd06b807ef8ec79079dca1bc52fde6e0d5599c67a200f7ca16ebc09d479f
+size 1060864