Update duckdb index files

.gitattributes

@@ -2,3 +2,4 @@ marccgrau--sbbdata_snr_20/parquet-test.parquet filter=lfs diff=lfs merge=lfs -te
 marccgrau--sbbdata_snr_20/parquet-train.parquet filter=lfs diff=lfs merge=lfs -text
 marccgrau--sbbdata_snr_20/parquet-val.parquet filter=lfs diff=lfs merge=lfs -text
 marccgrau--sbbdata_snr_20/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+marccgrau--sbbdata_snr_20/val/index.duckdb filter=lfs diff=lfs merge=lfs -text

marccgrau--sbbdata_snr_20/val/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e4411ad15f0d714d996caa9bbba651c850f556ab4c3ab95097f5cf47abbf4886
+size 43266048