Fixes #36849 - Run GHA on Ruby 3.0 (alternative)

.github/matrix.json

@@ -1,5 +1,5 @@
 {
   "postgresql": ["12"],
-  "ruby": ["2.7"],
+  "ruby": ["2.7", "3.0"],
   "node": ["14"]
 }

app/models/host.rb

@@ -1,18 +1,16 @@
 module Host
-  def self.method_missing(method, *args, &block)
+  def self.method_missing(method, *args, **kwargs, &block)
     type = "Host::Managed"
     case method.to_s
     when /create/, 'new'
-      if args.empty? || args[0].nil? # got no parameters
-        # set the default type
-        args = [{:type => type}]
-      else # got some parameters
-        args[0][:type] ||= type # adds the type if it doesn't exists
-        type = args[0][:type]   # stores the type for later usage.
+      if kwargs.key?(:type)
+        type = kwargs[:type]
+      else
+        kwargs[:type] = type
       end
     end
     if type.constantize.respond_to?(method, true)
-      type.constantize.send(method, *args, &block)
+      type.constantize.send(method, *args, **kwargs, &block)
     else
       super
     end