Update duckdb index files

.gitattributes

@@ -182,3 +182,4 @@ voidful--commonvoice_10_unit/kk.test/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/kk.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/kk.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/kmr.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/kmr.train/index.duckdb filter=lfs diff=lfs merge=lfs -text

voidful--commonvoice_10_unit/kmr.train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:939595afbe9c97489c67202f147c2b88ddf595e844db75d5bb8d004470ddf2bc
+size 2371584