Local GitHub Actions refer to two concepts: custom actions developed within your own repository and the process of running any GitHub Action locally on your machine for faster testing and debugging.
1. Local Actions (within your repository)
Definition:
These are custom actions that you define and store directly in your repository under the .github/actions/ directory. They are not publicly shared, unlike actions from the GitHub Marketplace.
Purpose:
They are used for project-specific, repetitive tasks that you want to reuse within your workflows without publishing them globally.
How it works:
You can call these local actions in your workflow files as if they were standard published actions.
2. Running Actions Locally (on your development machine)
Note:
Pinned repositories
You can give users easy access to important or frequently used repositories, by choosing up to six repositories for public users and six repositories for members of the organization. Once you pin repositories to your organization profile, the "Pinned" section is shown above the
"Repositories" section of the profile page.
Reference:
https://dev.to/codenamegrant/supercharging-your-workflows-with-local-github-actions-2o23
https://docs.github.com/en/organizations/collaborating-with-groups-in-organizations/customizing- your-organizations-profile