Enabled wrapcheck linter

[enrichman]

This PR enables the wrapcheck linter.

[codecov-commenter]

Codecov Report

Base: 29.91% // Head: 30.72% // Increases project coverage by +0.80% 🎉

Coverage data is based on head (8109e5a) compared to base (582e096).
Patch coverage: 7.50% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #40      +/-   ##
==========================================
+ Coverage   29.91%   30.72%   +0.80%     
==========================================
  Files           5        5              
  Lines         341      319      -22     
==========================================
- Hits          102       98       -4     
+ Misses        223      205      -18     
  Partials       16       16              

Impacted Files	Coverage Δ
internal/encrypt/encrypt.go	18.00% <0.00%> (ø)
pkg/stego/aes.go	60.52% <0.00%> (ø)
pkg/stego/shamir.go	0.00% <0.00%> (ø)
pkg/file/file.go	58.62% <11.11%> (ø)
pkg/image/image.go	37.83% <28.57%> (+7.32%)	⬆️

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