Expired GPG key
The expiration of the GPG key
pub rsa2048 2020-07-02 [SC] [expired: 2022-09-10]
9D8C 3420 2C34 5C69 8A70 BF52 C609 6B07 DE3A E8C0
uid [ expired] home:Hezekiah OBS Project <home:Hezekiah@build.opensuse.org>
leads to
W: GPG error: https://download.opensuse.org/repositories/home:/Hezekiah/xUbuntu_20.04 ./ InRelease: The following signatures were invalid: EXPKEYSIG C6096B07DE3AE8C0 home:Hezekiah OBS Project <home:Hezekiah@build.opensuse.org>
E: The repository 'https://download.opensuse.org/repositories/home:/Hezekiah/xUbuntu_20.04 ./ InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.