Update duckdb index files

.gitattributes

@@ -83,3 +83,4 @@ red_cartoon/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 teapot/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 fancy_boot/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 vase/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+grey_sloth_plushie/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

grey_sloth_plushie/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:94fd29829307236a0ec011b63270e13c4af7f2b740bcfa18f7ade8477ebb41dd
+size 10235904