Lock runit version to 4.3.1
Lock runit version to 4.3.1

runit from 5.0.0 and above requires at least chef 14. This will allow this cookbook to be backward-compatible with chef 13

osuosl-cookbooks/ganeti_webmgr,osuosl-cookbooks/ganeti_webmgr,osuosl-cookbooks/ganeti_webmgr