Update parquet files

readerbench--AlephNews/json-test.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
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-size 2751017
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+size 2751018

readerbench--AlephNews/json-train.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3acad5f25dd2b03b75aad99f65e8032a70eb15bc68080a2cbcb70218b473b1b5
-size 60102966
+oid sha256:cde8f605a689f4d545d38df7be1885ab14f1aa362455c3cfba3d140f50741a1d
+size 60102967

readerbench--AlephNews/json-validation.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:525abfe8f0bca8be1ebbcfda9c7c4ca07cb6b3e39a35915b8579ab7a843bdb56
-size 2609317
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+size 2609318