Suppress PossiblyInvalidArgument for uv due to outdated stubs

See JetBrains/phpstorm-stubs#1627.

Author: kelunik

psalm.xml

@@ -69,6 +69,7 @@
         <PossiblyInvalidArgument>
             <errorLevel type="suppress">
                 <directory name="examples" />
+                <file name="src/EventLoop/Driver/UvDriver.php" />
             </errorLevel>
         </PossiblyInvalidArgument>
     </issueHandlers>