Add a boolean field in business profile to enable pg agnostic MIT

[ShankarSinghC]

The is_connector_agnostic_mit_enabled field has been newly added to the business profile. It is a boolean value that allows the merchant to specify if they MIT payments should be made pg agnostic (processor agnostic). Need to add support in hyperswitch-control-center for merchants to specify it.

curl --location 'http://localhost:8080/account/merchant_1715276947/business_profile/pro_DnFkGi1RPLPSmJKy54Ib' \
--header 'Content-Type: application/json' \
--header 'Accept: application/json' \
--header 'api-key: test_admin' \
--data '{
    "is_connector_agnostic_mit_enabled": false
}'