publish new images after recent PRs are merged and tested

[szaimen]

successfully tested:

• Improve nextcloud  #58 (see if it successfully builds)
• disable http_challenge and add https:// to the url #59
• exclude the session and certs folder from restore #60 works with fix the restore process #92
• remove the username for the aio interface #61
• also show failed backup if the initial backup has failed #62
• run image prune regularly #63
• skip any update procedure if nextcloud was just restored or backup failed or database export failed #64
• upgrade buster images to bullseye #77 (see if it successfully builds)
• fix automatic login button url for port 8080 #89
• customize php-fpm config #91 (see if it successfully builds)

When done, publish affected images to latest

• nextcloud
• apache
• borgbackup
• all-in-one
• postgresql
• redis