chore(deps): Upgrade hathorlib to v0.5.2

[msbrogli]

Motivation

Hathorlib v0.5.2 has support for NanoContract transactions and this will be needed for the next PRs.

Acceptance Criteria

• Upgrade hathorlib to v0.5.2.
• All other packages should NOT be upgraded.

Checklist

• If you are requesting a merge into master, confirm this code is production-ready and can be included in future releases as soon as it gets merged

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (94696f2) 85.42% compared to head (0f5ff70) 85.30%.
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #939      +/-   ##
==========================================
- Coverage   85.42%   85.30%   -0.12%     
==========================================
  Files         290      290              
  Lines       22460    22460              
  Branches     3379     3379              
==========================================
- Hits        19186    19160      -26     
- Misses       2609     2627      +18     
- Partials      665      673       +8     

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