Document and test related-actions endpoints

[TangoYankee]

Description

Write OpenAPI documentation, generate zod, and write end to end tests for related-actions endpoints

• packages/landuse-form/related-actions.controller.ts
  • update
  • [ ] documentation
  • [ ] zod generation
  • [ ] e2e tests
  • create
  • [ ] documentation
  • [ ] zod generation
  • [ ] e2e tests
  • delete
  • [ ] documentation
  • [ ] zod generation
  • [ ] e2e tests