Restore the collision notice

CHANGELOG.md

@@ -37,14 +37,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### PHPUnit 10 Migration
 
-When upgrading to Mantle v1 projects will receive `phpunit/phpunit` v10. PHPUnit
-10 requires PSR-4 file structure for tests (`tests/Feature/MyExampleTest.php` vs
-`tests/feature/test-my-example.php`). If you have tests written in the old
-style, you will need to migrate them to PSR-4. If you wish to continue using
-PHPUnit 9, you will need to downgrade to PHPUnit 9/Collision 6. To do so, run
-the following command:
-
-	composer require --dev phpunit/phpunit:^9
+When upgrading to Mantle v1 projects will receive `phpunit/phpunit` v10 and
+`nunomaduro/collision` v7. PHPUnit 10 requires PSR-4 file structure for tests
+(`tests/Feature/MyExampleTest.php` vs `tests/feature/test-my-example.php`). If
+you have tests written in the old style, you will need to migrate them to PSR-4.
+If you wish to continue using PHPUnit 9, you will need to downgrade to PHPUnit
+9/Collision 6. To do so, run the following command:
+
+	composer require --dev phpunit/phpunit:^9 nunomaduro/collision:^6
 
 To upgrade an existing test suite to PHPUnit 10 and PSR-4 standards, consider
 using a [helper tool](https://github.com/alleyinteractive/wp-to-psr-4/). You