Update duckdb index files

.gitattributes

@@ -298,3 +298,4 @@ voidful--commonvoice_10_unit/ug.train/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/ug.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/uk.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/uk.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/uk.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cbc35deeca179ed82284d434c377b49767e91bacd1c2527ed468d5f0d0d6b2a4
+size 5779456