Update duckdb index files

.gitattributes

@@ -2,3 +2,4 @@ jonaskoenig--future-time-refernces-static-filter-D2/csv-train.parquet filter=lfs
 jonaskoenig--future-time-refernces-static-filter-D2/csv-test.parquet filter=lfs diff=lfs merge=lfs -text
 jonaskoenig--future-time-refernces-static-filter-D2/csv-validation.parquet filter=lfs diff=lfs merge=lfs -text
 jonaskoenig--future-time-refernces-static-filter-D2/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+jonaskoenig--future-time-refernces-static-filter-D2/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

jonaskoenig--future-time-refernces-static-filter-D2/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0b28ce824e8506aaf368a57ff975b5e6cfd23208908264b085bc9c95753db79e
+size 101462016