Update duckdb index files

.gitattributes

@@ -120,3 +120,4 @@ voidful--commonvoice_10_unit/et.test/index.duckdb filter=lfs diff=lfs merge=lfs
 voidful--commonvoice_10_unit/et.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/et.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/eu.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/eu.train/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:59a216a292f8b6014e063c724bed60da4aeaadee1cd8fb3658fbdafeb5f7436e
+size 8925184