Version 1.5.7 has been released and published on apt. Please update your server!
With the release of 1.5.5 we introduced 1 major bug causing to break auto updates for the affected servers!
If you have updated from 1.5.4 or before directly to 1.5.7 you should be not affected! During install of the upgrade a warning is visible how ever everything seems to work fine!
If you have installed 1.5.5 or 1.5.6 follow the follow in steps you are not able to run apt update anymore with out an error!
Run the following command to solve it:
rm /usr/share/keyrings/hestia-keyring.gpg mkdir /root/.gnupg/ gpg --no-default-keyring --keyring /usr/share/keyrings/hestia-keyring.gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A189E93654F0B0E5