Update duckdb index files

.gitattributes

@@ -57,3 +57,4 @@ libris/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 libris/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text
 mustc/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 mustc/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text
+tedlium/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

tedlium/train/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0f449d2516a04fdc64bf7bdab7683f47983e09d864defad27b80c7dd136cde50
+size 4773392384