Adjust network calls to hcloud 1.2

Some methods and their return values changed within the 1.2 release.

beaker-hcloud.gemspec

@@ -24,6 +24,6 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'bcrypt_pbkdf', '~> 1.0'
   s.add_runtime_dependency 'beaker', '~> 5.4'
   s.add_runtime_dependency 'ed25519', '~> 1.2'
-  s.add_runtime_dependency 'hcloud', '~> 1.1'
+  s.add_runtime_dependency 'hcloud', '~> 1.2'
   s.add_runtime_dependency 'ssh_data', '~> 1.3'
 end

lib/beaker/hypervisor/hcloud.rb

@@ -87,7 +87,7 @@ def create_server(host)
       @logger.notify "provisioning #{host.name}"
       location = host[:location] || 'nbg1'
       server_type = host[:server_type] || 'cx11'
-      action, server = @client.servers.create(
+      action, server, _password, _next_action = @client.servers.create(
         name: host.hostname,
         location: location,
         server_type: server_type,
@@ -100,8 +100,8 @@ def create_server(host)
         action = @client.actions.find(action.id)
         server = @client.servers.find(server.id)
       end
-      host[:ip] = server.public_net['ipv4']['ip']
-      host[:vmhostname] = server.public_net['ipv4']['dns_ptr']
+      host[:ip] = server.public_net['ipv4'].ip
+      host[:vmhostname] = server.public_net['ipv4'].dns_ptr.first['dns_ptr']
       host[:hcloud_id] = server.id
       host.options[:ssh][:keys] = [@key_file.path]
       server