Update duckdb index files

.gitattributes

@@ -267,3 +267,4 @@ voidful--commonvoice_10_unit/sk.train/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/sk.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/sl.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/sl.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/sl.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6275a56889a4db601b3d108dbfaed896459eea31fadd6b4efbb1481e8c1917e0
+size 1585152