Update duckdb index files

.gitattributes

@@ -90,3 +90,4 @@ voidful--commonvoice_10_unit/cnh.test/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/cnh.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/cnh.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/cs.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/cs.train/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cc70c3f4ef8cd3b83eb0c5b38ebbb91e0651039de7a2724b90262482b085137d
+size 11284480