Simplify ci

[notaphplover]

Description

• Action versions have been updated
• Updated CI to stop relying in uploading and downloading artifacts. Instead, code coverage is generated once and uploaded once.

Motivation and Context

• Fix CI so it stops failing when uploading test coverage artifacts.

Types of changes

• Updated docs / Refactor code / Added a tests case (non-breaking change)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.
• I have updated the changelog.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.80%. Comparing base (6e97383) to head (de2ff2f).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1590      +/-   ##
==========================================
+ Coverage   99.78%   99.80%   +0.02%     
==========================================
  Files          53       53              
  Lines        1369     1572     +203     
  Branches      200      209       +9     
==========================================
+ Hits         1366     1569     +203     
  Partials        3        3              

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