Update duckdb index files

.gitattributes

@@ -262,3 +262,4 @@ voidful--commonvoice_10_unit/sat.train/index.duckdb filter=lfs diff=lfs merge=lf
 voidful--commonvoice_10_unit/sc.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/sc.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/sc.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/sk.test/index.duckdb filter=lfs diff=lfs merge=lfs -text

voidful--commonvoice_10_unit/sk.test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1026087913389ebd0f7c6edb4f9de3fd57c5fa5ab0ebc464a4cf9b9263c5d411
+size 2109440