bump alpine version to 3.20.3

[eljohnson92]

General:

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Pull Request Guidelines:

1. Does your submission pass tests?
2. Have you added tests?
3. Are you addressing a single feature in this PR?
4. Are your commits atomic, addressing one change per commit?
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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.32%. Comparing base (1748a1b) to head (369a07f).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #287   +/-   ##
=======================================
  Coverage   76.32%   76.32%           
=======================================
  Files          21       21           
  Lines        1622     1622           
=======================================
  Hits         1238     1238           
  Misses        286      286           
  Partials       98       98           

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