Update duckdb index files

.gitattributes

@@ -295,3 +295,4 @@ voidful--commonvoice_10_unit/tt.train/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/tt.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/ug.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/ug.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/ug.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2c1e0d2d7654d51832daa016628ddb947f2446a1833828b35b3d6a670edde3b3
+size 2633728