New version 26.21.12-1
    
    - rpmostreepayload: Set up /var first (walters)
    - rpmostreepayload: Explicitly create /var/lib before tmpfiles (walters)
    - rpmostreepayload: Rework mount setup to support admin-defined mounts (walters)
    - rpmostreepayload: try to verify local ostree repo cache (dusty)
    - rpmostreepayload: ignore 
    - rpmostreepayload: use correct secondary url location (dusty)
    - rpmostreepayload: Do /sysroot mount non-recursively (walters)
    - rpmostreepayload: Reuse the local repo as a cache (walters)
    - rpmostreepayload: Handle /var as a user-specified mountpoint (walters)
    - gui: show supported locales on Atomic Host installs (jlebon)
    - tasks: add missing string substitution in log message (rvykydal)