Update duckdb index files

.gitattributes

@@ -23,3 +23,4 @@ record/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 record/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 rte/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 record/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+rte/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

rte/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0dac05bf15603102f44191488a06cd24ec6e9c5c8abe0280c326d9f28a078eff
+size 1847296