Update duckdb index files

.gitattributes

@@ -71,3 +71,4 @@ default/partial-EnglishFrenchWebpagesScrapedTranslatedTest/index.duckdb filter=l
 default/partial-OriginalSongsLyricsWithFrenchTranslationTest/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/partial-FrenchPodcastsTrain/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/partial-WmtEnFrTest/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/partial-ProjectgutenbergFrTest/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/partial-ProjectgutenbergFrTest/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:16d6a1288dcc8c4315a8f1b3d3f9e83632e4bc184971b76f393b518b733c76ec
+size 18100224