The correct option is .github/workflows.

GitHub Actions discovers workflow YAML files only when they are stored in the workflows directory under the .github folder in the repository. Placing your workflow files in this location ensures GitHub automatically loads and runs them on the configured events.

.github/actions is not the location for workflow definitions. It is commonly used to store reusable custom actions that workflows can call, and files placed there are not automatically executed as workflows.

scripts/ci is a conventional directory for project scripts and GitHub does not scan it for workflows, so files there will not run as workflows.

.github/pipelines is not a recognized directory in GitHub Actions and GitHub does not use a pipelines folder for workflow discovery.

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