Update duckdb index files

.gitattributes

@@ -266,3 +266,4 @@ voidful--commonvoice_10_unit/sk.test/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/sk.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 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.train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6b40b8748c2ae9fdfb94cd1297a9ee4715aebb6a84be044ec6e77cd0eade9d83
+size 1585152