slaprunner: prepareSoftware now uses ipv6

software/slaprunner/instance-runner.cfg

@@ -604,6 +604,6 @@ command = cd $${:location} && ${git:location}/bin/git checkout $${:reference} &&
 
 [prepare-software]
 recipe = slapos.cookbook:wrapper
-command-line = ${curl:location}/bin/curl $${slaprunner:ipv4}:$${slaprunner:runner_port}/isSRReady --max-time 1
+command-line = ${curl:location}/bin/curl -g https://[$${slaprunner:ipv6}]:$${slaprunner:runner_port}/isSRReady --max-time 1 --insecure
 wrapper-path = $${directory:scripts}/prepareSoftware