The alpm-hook should be installed to `/usr/share/libalpm/hooks/`

Description:

The alpm-hook should be installed to /usr/share/libalpm/hooks/ instead of /usr/share/arch-audit/arch-audit.hook.

Almost every other official package installs alpk hooks in /usr/share/libalpm/hooks/. Other than arch-audit the only exception is that nextcloud installs a hook in /usr/share/doc/nextcloud/nextcloud.hook.

Additional info:

• package version(s): All versions from 0.1.16-1 till 0.1.20-1