docs: update CONTRIBUTING.md

[SMoraisAnsys]

Description

The link was missing version. Note that you can also use stable instead of dev 😄

Issue linked

None

Checklist

• I have tested my changes locally.
• I have added necessary documentation or updated existing documentation.
• I have followed the coding style guidelines of this project.
• I have added appropriate unit tests.
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved to the PR if any.
• I have assigned this PR to myself.
• I have added the minimum version decorator to any new backend method implemented.
• I have made sure that the title of my PR follows Conventional commits style (e.g. feat: extrude circle to cylinder)

[RobPasMue]

Thanks @SMoraisAnsys!

[SMoraisAnsys]

Thanks @SMoraisAnsys!

That's thanks to @Revathyvenugopal162 who saw that in another repo :D

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.94%. Comparing base (ad53013) to head (6da0eb4).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1730   +/-   ##
=======================================
  Coverage   90.94%   90.94%           
=======================================
  Files          91       91           
  Lines        8006     8006           
=======================================
  Hits         7281     7281           
  Misses        725      725           

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