Switch Debian 10 RC release to stable

When you installed your Debian 10 server by using one of the pre-releases, then you will get the following error message now that Debian 10 (Buster) has been released. N: Repository 'http://security.debian.org/debian-security buster/updates InRelease' changed its 'Version' value from '' to '10' E: Repository 'http://security.debian.org/debian-security buster/updates InRelease' changed its 'Suite' value from 'testing' to 'stable' ... Read more