Update duckdb index files

.gitattributes

@@ -239,3 +239,4 @@ voidful--commonvoice_10_unit/pl.train/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/pl.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/pt.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/pt.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/pt.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7fd052c88f766cb17ea0f81c6bdfaa13d49c91cb89fe79f17f0f9081db58ce55
+size 6303744