Update duckdb index files

event-generation/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f8c5e955dc19fe26024157fe22b7d6d45a16ae5c8c7dd7bd1e988fe279d26768
-size 3944448
+oid sha256:4f6558c5531d70a116b7621180cf17c1df824af2775d206d40592116c14e8ab7
+size 3420160