docs(readme): replace with current version of workflow-snippet

[joundso]

Copy-Pasting the current action-snippet from the README fails due to the version @v1. Simply updated it to @v1.2.4.

Types of changes

• Documentation (non-breaking change which updates documentation)

Checklist

• Code follows the code style of this project.
• Changes follow the CONTRIBUTING guidelines.
• Update necessary documentation accordingly.
• Lint and tests pass locally with the changes.
• Check issues and pull requests first. You don't want to duplicate effort.

[boring-cyborg]

Thanks for your first pull request!

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (2508941) 24.86% compared to head (42f51a8) 24.86%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #108   +/-   ##
=======================================
  Coverage   24.86%   24.86%           
=======================================
  Files           2        2           
  Lines         382      382           
=======================================
  Hits           95       95           
  Misses        287      287           

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[boring-cyborg]

Awesome work, congrats on your first merged pull request!

[BobAnkh]

@joundso Really thank you for pointing that out!