Support Zensus 2022

[pmayd]

With the publication of Zensus 2022 on July 11 the old base url as well as old credentials are no longer accepted. This minor update leads to a full support of the current available data in Zensus 2022

0.3.1

• support new Zensus 2022 web interface / API by changing base_url in default config to new value https://ergebnisse.zensus2022.de/api/rest/2020/
• users have to either update or delete their old config, detailed instructions are added to the README
• for some tables, the regional code can change, all rows except one might be KREISE but one is DG for Germany, fixed this so we still output AGS column
• added missing regional codes that were introduced by Zensus 2022

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This discussion was created from the release Support Zensus 2022.