Fix ruby 3.2.2 and Rails 6.1 compatibility in test suite

Author: dalibor

.github/workflows/ci.yml

@@ -21,6 +21,8 @@ jobs:
             ruby: "3.0"
           - rails: "6.1"
             ruby: "3.1"
+          - rails: "6.1"
+            ruby: "3.2"
 
           - rails: "7.0"
             ruby: 3.1

test/action_mailer_test.rb

@@ -2,8 +2,8 @@
 
 class ActionMailerTest < Minitest::Test
   class MyMailer < ActionMailer::Base
-    def some_email(to:, from:, subject:)
-      mail(to: to, from: from, subject: subject, body: "Hello")
+    def some_email(opts)
+      mail(to: opts[:to], from: opts[:from], subject: opts[:subject], body: "Hello")
     end
   end