PHP 8 Compatibility

vendor/psr/container/src/ContainerExceptionInterface.php

@@ -2,9 +2,11 @@
 
 namespace Psr\Container;
 
+use Throwable;
+
 /**
  * Base interface representing a generic exception in a container.
  */
-interface ContainerExceptionInterface
+interface ContainerExceptionInterface extends Throwable
 {
 }

vendor/psr/container/src/ContainerInterface.php

@@ -32,5 +32,5 @@ interface ContainerInterface
      *
      * @return bool
      */
-    public function has(string $id): bool;
+    public function has(string $id);
 }