Fix link to PR

ChangeLog-7.4.md

@@ -7,7 +7,7 @@ All notable changes of the PHPUnit 7.4 release series are documented in this fil
 ### Added
 
 * Implemented [#3127](https://github.com/sebastianbergmann/phpunit/issues/3127): Emit error when mocked method is not really mocked
-* Implemented [#3224](https://github.com/sebastianbergmann/phpunit/pulls/3224): Ability to enforce a time limit for tests not annotated with `@small`, `@medium`, or `@large`
+* Implemented [#3224](https://github.com/sebastianbergmann/phpunit/pull/3224): Ability to enforce a time limit for tests not annotated with `@small`, `@medium`, or `@large`
 * Implemented [#3272](https://github.com/sebastianbergmann/phpunit/issues/3272): Ability to generate code coverage whitelist filter script for Xdebug
 * Implemented [#3284](https://github.com/sebastianbergmann/phpunit/issues/3284): Ability to reorder tests based on execution time
 * Implemented [#3290](https://github.com/sebastianbergmann/phpunit/issues/3290): Ability to load a PHP script before any code of PHPUnit itself is loaded