Add user_id in savings

[rogelioLpz]

No description provided.

[codecov]

Codecov Report

Merging #319 (a310cdc) into main (6c245ac) will not change coverage.
The diff coverage is 100.00%.

❗ Current head a310cdc differs from pull request most recent head 87e6598. Consider uploading reports for the commit 87e6598 to get more accurate results

@@            Coverage Diff            @@
##              main      #319   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           45        42    -3     
  Lines         1027       974   -53     
=========================================
- Hits          1027       974   -53     

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

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Impacted Files	Coverage Δ
cuenca/resources/savings.py	100.00% <ø> (ø)
cuenca/resources/wallet_transactions.py	100.00% <ø> (ø)
cuenca/version.py	100.00% <100.00%> (ø)
cuenca/resources/__init__.py
cuenca/__init__.py
cuenca/http/__init__.py

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