Add Changelog entry

Author: pirj

Changelog.md

@@ -8,6 +8,12 @@ Enhancements:
 * Change the scaffold `rails_helper.rb` template to use `require_relative`.
   (Jon Dufresne, #2528)
 
+Bug Fixes:
+
+* Fix parameter matching with mail delivery job and
+  ActionMailer::MailDeliveryJob. (Fabio Napoleoni, #2516, #2546)
+* Fix Rails 7 `have_enqueued_mail` compatibility (Mikael Henriksson, #2537, #2546)
+
 ### 5.0.2 / 2021-08-14
 [Full Changelog](https://github.com/rspec/rspec-rails/compare/v5.0.1...v5.0.2)