Update duckdb index files

.gitattributes

@@ -282,3 +282,4 @@ voidful--commonvoice_10_unit/ta.train/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/ta.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/th.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/th.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/th.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

voidful--commonvoice_10_unit/th.validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:08242a2ac8f0b3a4466ff749385a2304cb1e1cc0a3d1cd0c60f1d979abb051f5
+size 7352320