Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 blackhc--SteamSHP_filtered/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 blackhc--SteamSHP_filtered/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+blackhc--SteamSHP_filtered/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

blackhc--SteamSHP_filtered/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:54b85c3655d089e18dfaab545e2e98073f30b1a8177978e2a5a217b783ec53d8
+size 425209856