Update duckdb index files

.gitattributes

@@ -177,3 +177,4 @@ voidful--commonvoice_10_unit/ka.train/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/ka.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/kab.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/kab.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/kab.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ae4f7a4f891bb2b042730507f8416aff4603fa10a062f0a1f538e823b470ef9d
+size 8400896