Update duckdb index files

.gitattributes

@@ -39,3 +39,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.json filter=lfs diff=lfs merge=lfs -text
 Xenova--sponsorblock-768/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Xenova--sponsorblock-768/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Xenova--sponsorblock-768/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Xenova--sponsorblock-768/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cbfa5a3fec37406c98584761826d15790bd6da930bc8e4f956cd780b3552ebe1
+size 1224486912