updated OS image URL, upgraded docker version

global/overlay/etc/puppet/cosmos-rules.yaml

@@ -130,6 +130,7 @@ kvmeidas-tug-3.komreg.net:
             description: 'eid connector'
             cpus: '8'
             memory: '8192'
+            image_url: 'https://cloud-images.ubuntu.com/bionic/current/bionic-server-cloudimg-amd64.img'
          eidas-connector-4.sveidas.se:
             mac: '52:54:20:02:04:02'
             ip: '94.176.224.6'
@@ -756,6 +757,7 @@ test-1.test.sveidas.se:
 
 '^eidas-connector-[0-9]+\.sveidas\.se$':
    eid::dockerhost:
+     version: '5:20.10.8~3-0~ubuntu-bionic'
    konsulter:
    autoupdate:
    eidas_connector: