Update duckdb index files

.gitattributes

@@ -173,3 +173,4 @@ voidful--commonvoice_10_unit/ja.test/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/ja.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/ja.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/ka.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/ka.train/index.duckdb filter=lfs diff=lfs merge=lfs -text

voidful--commonvoice_10_unit/ka.train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0eeee022913af0dd11883c079ebef7cf28e7186371b1952cbcfc145161e63ff8
+size 2109440