fix(kubevirt): Provide 2Gi of RAM to guest by default

Signed-off-by: Lee Yarwood <lyarwood@redhat.com>

Author: lyarwood

pkg/toolsets/kubevirt/vm/create/plan.tmpl

@@ -44,7 +44,7 @@ spec:
           - name: {{.Name}}-rootdisk
 {{- if not .Instancetype}}
         memory:
-          guest: 1Gi
+          guest: 2Gi
 {{- end}}
       volumes:
       - name: {{.Name}}-rootdisk