Update duckdb index files

.gitattributes

@@ -121,3 +121,4 @@ voidful--commonvoice_10_unit/et.train/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/et.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/eu.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/eu.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/eu.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a8b67d6c9ba56728c4328dbe86cc4441057543362a2bb905fb010429f656c386
+size 6041600