Update duckdb index files

.gitattributes

@@ -140,3 +140,4 @@ voidful--commonvoice_10_unit/gl.test/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/gl.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/gl.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/gn.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/gn.train/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0575b03d6c6d37e37b218fb990e7256de6f29eaddcc8c6428a378633721d1567
+size 1060864