Update duckdb index files

.gitattributes

@@ -94,3 +94,4 @@ voidful--commonvoice_10_unit/cs.train/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/cs.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/cv.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/cv.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/cv.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:355df5de578ee12c338e4f52600ebf685a9fa19c52b9ee5816958271e9b043d4
+size 1585152