Update duckdb index files

.gitattributes

@@ -56,3 +56,4 @@ juancopi81--lmd_clean_8bars_32th_resolution/test/index.duckdb filter=lfs diff=lf
 juancopi81--lmd_clean_8bars_32th_resolution/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

default/train/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:09462393375de0d60846eee6de8bdb8e59686b5b58ce9193aa0a6914b0448990
+size 1651781632