message: not setting num_children for primitive types as per spec
diff: @@ -1904,8 +1904,7 @@ unique_ptr<ColumnWriter> ColumnWriter::CreateWriterRecursive(vector<duckdb_parqu
  duckdb_parquet::format::SchemaElement schema_element;
  schema_element.type = ParquetWriter::DuckDBTypeToParquetType(type);
  schema_element.repetition_type = null_type;
  - schema_element.num_children = 0;
  - schema_element.__isset.num_children = true;
  + schema_element.__isset.num_children = false;
  schema_element.__isset.type = true;
  schema_element.__isset.repetition_type = true;
  schema_element.name = name;
  