Using Ubuntu 20.04 repo on 22.04 has GPG failure
W: GPG error: https://repo.symas.com/repo/deb/main/release25 focal InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY DA26A148887DCBEB E: The repository 'https://repo.symas.com/repo/deb/main/release25 focal 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.