Update duckdb index files

.gitattributes

@@ -117,3 +117,4 @@ voidful--commonvoice_10_unit/eo.validation/index.duckdb filter=lfs diff=lfs merg
 voidful--commonvoice_10_unit/es.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/es.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 voidful--commonvoice_10_unit/et.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+voidful--commonvoice_10_unit/et.train/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b35313d25882627cecfae2b644c11ef9dc8b92541f3cb74b28450f1ff28033b5
+size 4730880