[API Gateway] Method Overrides Should Display Caching Status

Hi,
You need to enable the staging cache in advance, and then you can see the cache settings in your "Edit method overrides".

Note[1]: When you enable caching for a stage, only GET methods have caching enabled by default. This helps to ensure the safety and availability of your API. You can enable caching for other methods by overriding method settings[2].

[1]https://docs.aws.amazon.com/apigateway/latest/developerguide/api-gateway-caching.html#enable-api-gateway-caching
[2]https://docs.aws.amazon.com/apigateway/latest/developerguide/api-gateway-caching.html#override-api-gateway-stage-cache-for-method-cache