coupon update delegate key

[adridadou]

Proposed Changes

• Add update delegate key coupon adapter
• Let you update for members if you have a valid coupon

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 90.75%. Comparing base (e8336eb) to head (bd26a00). Report is 1 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #604 +/- ## ========================================== + Coverage 90.68% 90.75% +0.07% ========================================== Files 54 55 +1 Lines 1964 1979 +15 Branches 452 454 +2 ========================================== + Hits 1781 1796 +15 Misses 183 183 ```

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