Update parquet files

kiviki--SlovakSum/csv-test.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ab80d0ff2a0351ecc2a58b38f787649d9100be6ec4c5cac3612522d4759bfeea
+size 34852796

kiviki--SlovakSum/csv-train.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a056475956b948dd9d0a81e4686caef6bfbc4880481178a6dac2ec8c02c5b1d2
-size 243089878
+oid sha256:a91feff368724f84b871a9e300cab6cc8daf17aed61910df97ffa089770a1188
+size 276237545

kiviki--SlovakSum/csv-validation.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f0b8e8d469739c860b1a082f3b862168d805f566e9106151f5c6469af806ba32
-size 30521630
+oid sha256:49a466d217f4a183dbdf290c0c374c4b01e820e5a79b197d6284c94fb699b501
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