Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 tj-solergibert--Europarl-ST-processed-mt-fr/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 tj-solergibert--Europarl-ST-processed-mt-fr/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+tj-solergibert--Europarl-ST-processed-mt-fr/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text

tj-solergibert--Europarl-ST-processed-mt-fr/valid/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3248a26c7a70e95faedd2e51dd6b7baa7ed5ca86d09ecd6fbdf2b2a35fb488ac
+size 38285312