* man: document --run-once flag
* meson: replace bashisms
* update to clang-format-12
* add missing newlines to some error messages
* make maybe_escape_markup() memory-safe
* fix segfault when read_file lacks a path
* ethernet: printer faster speeds in Gbit/s, e.g. 2.5 Gbit/s
* wireless: correctly display bitrates > 2147483647 bps
* ipv6: add support for %iface placeholder
* battery: add status idle (e.g. configured to stop charging)
* battery: increase maximum string size to make space for markup
* *BSD: fix build, use statvfs
* *BSD: use f_bsize for disk_info
* OpenBSD: add CPU spin support
* OpenBSD: properly print wireless signal strength
OBS-URL: https://build.opensuse.org/package/show/X11:windowmanagers/i3status?expand=0&rev=24
