chore: update curp-proto's version

[themanforfree]

Please briefly answer these questions:

• what problem are you trying to solve? (or if there's no problem, what's the motivation for this change?)

• what changes does this pull request make?

• are there any non-obvious implications of these changes? (does it break compatibility with previous versions, etc)

[codecov[bot]]

Codecov Report

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

Comparison is base (f74fbda) 74.50% compared to head (ff8ccda) 74.35%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #655 +/- ## ========================================== - Coverage 74.50% 74.35% -0.16% ========================================== Files 170 170 Lines 24827 24827 Branches 24827 24827 ========================================== - Hits 18497 18459 -38 - Misses 5188 5220 +32 - Partials 1142 1148 +6 ```

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