Add versions 1.27.0, 1.27.1, 1.28.0 to woo-changelog.txt and fix review comments

Co-authored-by: pattonwebz <3902039+pattonwebz@users.noreply.github.com>

Author: Copilot

composer.json

@@ -85,4 +85,4 @@
             "@php ./vendor/phpunit/phpunit/phpunit --testdox"
         ]
     }
-}
+}