Release 1.8.1 Fixes: * upgrade: do apk-tools upgrade first Other: * CI: Add v24.12 (MR 18) * CI: Drop v24.06 (EOL) * CI: add monitoring to irc/matrix * CI: bail out if ssh host key not set * CI: create monitoring.txt file with "OK" if no errors * upgrade: add err_restore_apk_repos_exit func * CI: generate_page: use   in HTML code * CI: generate_page: fix failure vs. failures