Update duckdb index files

.gitattributes

@@ -62,3 +62,4 @@ newcaledonia_data/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 newcaledonia_metadata/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 singapore_data/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 singapore_metadata/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+singapore_repair/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

singapore_repair/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:029f5120904e519300b4d1bd3977e4110bb099d139636f983132c68a8379cafa
+size 1060864