build: improve devcontainer setup

[Wodann]

This PR also solves a warning about the inclusion of lints in the config file

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.71%. Comparing base (8482286) to head (37aad7c).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #581   +/-   ##
=======================================
  Coverage   87.71%   87.71%           
=======================================
  Files         273      273           
  Lines       32139    32140    +1     
=======================================
+ Hits        28190    28192    +2     
+ Misses       3949     3948    -1     

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[Wodann]

The failing CI job is also failing on main