feat(GPD): Update GPD OpenAPI (#1090)

* feat(GPD): Update GPD OpenAPI

- Fee as READ_ONLY param;
- Add mark as paid API in GPD-V1.

* [SANP3.11.0-gpd-fee] update servers section

* chore(GPD): format

* fix(GPD): Adjust gpd-4-aca_massive_v2.json

* fix(GPD): Adjust gpd_massive_v2.json

* chore(GPD): Update gpd_massive_v1.json

* chore(GPD): Update gpd_v1.json metadata

* chore(GPD): Update gpd_v3.json metadata

* chore(GPD): Update gpd-4-aca.json metadata

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Co-authored-by: Andrea Ferracci <andrea.ferracci@gmail.com>

Author: cap-ang