[DEVDOCS-5955]: [update] OrdersV3, Support new query parameter transaction_id in GET Refunds API endpoints

[bc-tgomez]

What changed?

• Support new query parameter transaction_id in GET Refunds API endpoints: e.g.: GET /v3/orders/{id}/payment_actions/refunds?transaction_id=13 GET /v3/orders/payment_actions/refunds?transaction_id=13

• Expose transaction_id field to refund.payment on the API:

Testing proof:

• The new query param is displayed correctly in the swagger editor:

<img width="632" alt="image" src="https://github.com/bigcommerce/docs/assets/63274600/29037ec4-7c7c-4680-8bd6-e14ca8ea4f86">

• The new field is displayed correctly in the swagger editor:

<img width="611" alt="image" src="https://github.com/bigcommerce/docs/assets/63274600/a56a1ff7-ad47-4656-948f-3c3d892382f8">

Release notes draft

ping @bigcommerce/team-orders @slsriehl @bc-tgomez

DEVDOCS-5955 - Pulled in PR from Orders team

Anything else?

[ORDERS-6364 and ORDERS-6365] (#286)

ping @donald-nguyen-bc

[donald-nguyen-bc]

thanks Tina 🙇