update to use codecov-action v5

[zh-jq-b]

No description provided.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 50.77%. Comparing base (608e799) to head (9c0c30d).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #393      +/-   ##
==========================================
+ Coverage   50.67%   50.77%   +0.10%     
==========================================
  Files        1091     1091              
  Lines       99767    99767              
==========================================
+ Hits        50555    50657     +102     
+ Misses      49212    49110     -102     

Flag	Coverage Δ
g3proxy	50.77% <ø> (+0.10%)	⬆️
lib	25.28% <ø> (ø)

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