Update duckdb index files

.gitattributes

@@ -2,3 +2,4 @@ marccgrau--sbbdata_snr_10/parquet-val.parquet filter=lfs diff=lfs merge=lfs -tex
 marccgrau--sbbdata_snr_10/parquet-train.parquet filter=lfs diff=lfs merge=lfs -text
 marccgrau--sbbdata_snr_10/parquet-test.parquet filter=lfs diff=lfs merge=lfs -text
 marccgrau--sbbdata_snr_10/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+marccgrau--sbbdata_snr_10/val/index.duckdb filter=lfs diff=lfs merge=lfs -text

marccgrau--sbbdata_snr_10/val/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ebeea7629e30cf9d796eb8312ae2b74661c50075b02c1a625b87ff928468df4c
+size 46936064