bump version to 2.3.12
bump version to 2.3.12

podlove/podlove-publisher,podlove/podlove-publisher,katrinleinweber/podlove-publisher,katrinleinweber/podlove-publisher,katrinleinweber/podlove-publisher,katrinleinweber/podlove-publisher,podlove/podlove-publisher,podlove/podlove-publisher,podlove/podlove-publisher,katrinleinweber/podlove-publisher,podlove/podlove-publisher