[BETA] Request generation of key/secret that allow caller to assume target role

Request

• Base URL
  https://api-ch-gva-2.exoscale.com/v2
• Auth
  none declared
• TypeScript
  https://skmtc.dev/exoscale/apis/exoscale-api/docs/iam-role/:id/assume/post.ts

  A function with typed inputs. Its response is checked against the schema.