v5.2.1

📖Docs: Update README.md with new use cases (#227)

Description

This pull request updates the workflow configuration in the README.md to enhance automation and permissions, and to use the latest workflow version. The most important changes are:

Workflow triggers and scheduling:

• Added workflow_dispatch and a nightly scheduled run (cron: '0 0 * * *') to allow manual and automated executions of the workflow.

Permissions:

• Expanded required permissions to include statuses, pages, and id-token in addition to contents and pull-requests.

Workflow version:

• Updated the referenced workflow from version v2 to v5 for the Process-PSModule job.