TransferRequest with platform_id

[andreshndz]

Now, TransferRequest can contain platform_id. This will help to create transfers in name of any user

[codecov]

Codecov Report

Merging #266 (91fc04a) into main (c27350e) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main      #266   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           14        14           
  Lines         1154      1155    +1     
=========================================
+ Hits          1154      1155    +1     

Flag	Coverage Δ
unittests	100.00% <100.00%> (ø)

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Impacted Files	Coverage Δ
cuenca_validations/types/requests.py	100.00% <100.00%> (ø)
cuenca_validations/version.py	100.00% <100.00%> (ø)

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