Support ES import when amplify mock function

### Is this feature request related to a new or existing Amplify category?

function

### Is this related to another service?

_No response_

### Describe the feature you'd like to request

Similar to issue: https://github.com/aws-amplify/amplify-cli/issues/5691 support for import when mocking a function locally.

### Describe the solution you'd like

Either support ES import by default or support adding "type": "module" to package.json for amplify functions when testing with amplify mock function

### Describe alternatives you've considered

currently the only alternative is to require modules

### Additional context

_No response_

### Is this something that you'd be interested in working on?

- [ ] 👋 I may be able to implement this feature request

### Would this feature include a breaking change?

- [ ] ⚠️ This feature might incur a breaking change