[TypeDeclaration] Ensure always return with Expr on maybe continued i…

…n next stmt on SilentVoidResolver (#5771)

rules/TypeDeclaration/TypeInferer/SilentVoidResolver.php

@@ -143,7 +143,7 @@ private function isStopped(Stmt|Expr $stmt): bool
     {
         return $stmt instanceof Throw_
             || $stmt instanceof Exit_
-            || $stmt instanceof Return_
+            || ($stmt instanceof Return_ && $stmt->expr instanceof Expr)
             || $stmt instanceof Yield_
             || $stmt instanceof YieldFrom;
     }