Upgrade github actions

[pnavaro]

It removes the message "The following actions uses Node.js version which is deprecated..."

[devmotion]

Thank you!

[devmotion]

Version 4 of the action requires a token, tokenless uploads are not supported anymore.

[devmotion]

I added a secret "CODECOV_TOKEN" to the repo and changed the workflow configuration.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.50%. Comparing base (a3c1d24) to head (49d94a9).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #23      +/-   ##
==========================================
+ Coverage   86.20%   87.50%   +1.29%     
==========================================
  Files           3        3              
  Lines          29       32       +3     
==========================================
+ Hits           25       28       +3     
  Misses          4        4              

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[devmotion]

Thank you!

[coveralls]

Pull Request Test Coverage Report for Build 9870151096

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 93.333%

---

Totals
Change from base Build 9869988529:	0.0%
Covered Lines:	28
Relevant Lines:	30

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💛 - Coveralls