Update duckdb index files

.gitattributes

@@ -203,3 +203,4 @@ voidful--commonvoice_10_unit/mhr.test/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/mhr.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/mhr.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/mk.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/mk.train/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:78baf1eb30ac6a72d47def3dcaabdf988e351ba61e8e14db298ca4ba4049bb24
+size 1060864