chore(deps): 更新 enum 包版本

Author: jiannei

.github/workflows/test.yml

@@ -21,7 +21,7 @@ jobs:
                     - laravel: 10.*
                       testbench: 8.*
                       pest: ^2.34
-                      enum: ^3.0
+                      enum: ^4.0
                     - laravel: 11.*
                       testbench: 9.*
                       pest: ^3.11