chore(deps): update alpine docker tag to v3.20

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
alpine	final	minor	3.19 -> 3.20
alpine	stage	minor	3.19 -> 3.20

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 55.25%. Comparing base (610db86) to head (76307bd).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #274   +/-   ##
=======================================
  Coverage   55.24%   55.25%           
=======================================
  Files          56       56           
  Lines       11524    11524           
=======================================
+ Hits         6367     6368    +1     
+ Misses       5157     5156    -1     

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