As discussed in IRC, running `pacman -Syu` gives the following errors:

<pre> ```
:: Synchronizing package databases...
nonprism is up to date
libre is up to date
core is up to date
extra is up to date
community is up to date
nonsystemd is up to date
pcr is up to date
libre-multilib is up to date
multilib is up to date
pcr-multilib is up to date
:: Starting full system upgrade...
warning: polkit: local (0.116-3.nonsystemd1) is newer than extra (0.116-3)
resolving dependencies...
looking for conflicting packages...
error: failed to prepare transaction (could not satisfy dependencies)
:: installing dbus (1.12.16-3) breaks dependency 'dbus-openrc' required by avahi-openrc
</pre>
:: installing pacman (5.2.1-1.parabola1) breaks dependency 'pacman<=5.1.3' required by yay

```

I mentioned in #2574 that I can't remove yay to try and get rid of one of those dependency errors.