user2092: Would you please give me a hint of where to look or modify? I don't even know if they have a charge associated.
If  you were to fork https://github.com/input-output-hk/cardano-node.git, the GitHub Actions would continue running autonomously.

user6086: github actions are triggered by the contents of the /.github directory - specifically the workflows subdir.
https://github.com/input-output-hk/cardano-node/tree/master/.github
See https://docs.github.com/en/actions/quickstart
You can delete or rename the directory to stop github actions.
Or disable them on your fork
https://docs.github.com/en/actions/managing-workflow-runs/disabling-and-enabling-a-workflow

2092: <p>Would you please give me a hint of where to look or modify? I don't even know if they have a charge associated.</p>
<p>If  you were to fork <a href="https://github.com/input-output-hk/cardano-node.git" rel="nofollow noreferrer">https://github.com/input-output-hk/cardano-node.git</a>, the GitHub Actions would continue running autonomously.</p>
 6086: <p>github actions are triggered by the contents of the <code>/.github</code> directory - specifically the <code>workflows</code> subdir.
<a href="https://github.com/input-output-hk/cardano-node/tree/master/.github" rel="nofollow noreferrer">https://github.com/input-output-hk/cardano-node/tree/master/.github</a></p>
<p>See <a href="https://docs.github.com/en/actions/quickstart" rel="nofollow noreferrer">https://docs.github.com/en/actions/quickstart</a></p>
<p>You can delete or rename the directory to stop github actions.</p>
<p>Or disable them on your fork
<a href="https://docs.github.com/en/actions/managing-workflow-runs/disabling-and-enabling-a-workflow" rel="nofollow noreferrer">https://docs.github.com/en/actions/managing-workflow-runs/disabling-and-enabling-a-workflow</a></p>
