Update duckdb index files

.gitattributes

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

marccgrau--sbbdata_snr_random/val/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:db5df15769ff204404f06420328592d4e8484864a6d13b403e61b4e24f80eb71
+size 45625344