https://github.com/pcm-dpc/COVID-19/issues/625
Changes made - until 22 May 2020, in the legacy-data folder, the daily data will be loaded with the codice_regione 04 for P.A. Bolzano and P.A. Trento. From now on they will assume the new value codice_regione 21 for P.A. Bolzano and 22 for P.A. Trento