[REFACTOR] Move trait IncomingWebhook to crate hyperswitch_interfaces

[deepanshu-iiitu]

Feature Description

trait IncomingWebhook needs to be moved to crate hyperswitch_interfaces. This is required to move connector code to new crate hyperswitch_connectors.

Possible Implementation

trait IncomingWebhook needs to be moved to crate hyperswitch_interfaces. This is required to move connector code to new crate hyperswitch_connectors.

Have you spent some time checking if this feature request has been raised before?

• [X] I checked and didn't find a similar issue

Have you read the Contributing Guidelines?

• [X] I have read the Contributing Guidelines

Are you willing to submit a PR?

Yes, I am willing to submit a PR!