Merge branch '11.5' into 12.2

Author: sebastianbergmann

src/Runner/TestResult/PassedTests.php

@@ -116,7 +116,7 @@ public function isGreaterThan(string $method, TestSize $other): bool
         return $size->isGreaterThan($other);
     }
 
-    public function hasReturnValue(string $method): mixed
+    public function hasReturnValue(string $method): bool
     {
         $returnType = (new ReflectionMethod(...explode('::', $method)))->getReturnType();