[FEATURE] Add support for card extended bin in payment attempt

[Chethan-rao]

Feature Description

Card extended bin is initial 8 digit of card number. we need this field to be sent in payment attempt so that merchant can block payments based on this field too

Possible Implementation

Add a new field card_extended_bin in AdditionalCardInfo

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

• I checked and didn't find a similar issue

Have you read the Contributing Guidelines?

• I have read the Contributing Guidelines

Are you willing to submit a PR?

Yes, I am willing to submit a PR!