prepend "Apple" to SIWA input prompts to align with other providers

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

_No response_

### Is this related to another service?

_No response_

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

Other OAuth providers have prompts prepended with the provider name "Enter your Facebook...", "Enter your Google", however SIWA does not also have this prepended provider name.

```
You've opted to allow users to authenticate via Facebook. If you haven't already, you'll need to go to https://devel
opers.facebook.com and create an App ID.

Enter your Facebook App ID for your OAuth flow: fakeappid
Enter your Facebook App Secret for your OAuth flow: fakeappsecret

You've opted to allow users to authenticate via Google. If you haven't already, you'll need to go to https://develop
ers.google.com/identity and create an App ID.

Enter your Google Web Client ID for your OAuth flow: fakeclientid
Enter your Google Web Client Secret for your OAuth flow: fakeclientsecret

You've opted to allow users to authenticate via Sign in with Apple. If you haven't already, you'll need to go to http
s://developer.apple.com/account/#/welcome and configure Sign in with Apple.

Enter your Services ID for your OAuth flow: com.fake.com
Enter your Team ID for your OAuth flow: faketeamid
Enter your Key ID for your OAuth flow: fakekeyid
Enter your Private Key for your OAuth flow: asdfahsdflkjashdflkjashdflkjahs
```

### Describe the solution you'd like

```
You've opted to allow users to authenticate via Facebook. If you haven't already, you'll need to go to https://devel
opers.facebook.com and create an App ID.

Enter your Facebook App ID for your OAuth flow: fakeappid
Enter your Facebook App Secret for your OAuth flow: fakeappsecret

You've opted to allow users to authenticate via Google. If you haven't already, you'll need to go to https://develop
ers.google.com/identity and create an App ID.

Enter your Google Web Client ID for your OAuth flow: fakeclientid
Enter your Google Web Client Secret for your OAuth flow: fakeclientsecret

You've opted to allow users to authenticate via Sign in with Apple. If you haven't already, you'll need to go to http
s://developer.apple.com/account/#/welcome and configure Sign in with Apple.

Enter your Apple Services ID for your OAuth flow: com.fake.com
Enter your Apple Team ID for your OAuth flow: faketeamid
Enter your Apple Key ID for your OAuth flow: fakekeyid
Enter your Apple Private Key for your OAuth flow: asdfahsdflkjashdflkjashdflkjahs
```

### Describe alternatives you've considered

n/a

### Additional context

_No response_

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

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

### Would this feature include a breaking change?

- [ ] ⚠️ This feature might incur a breaking change