createGitHubIssue creates an issue in a repository available to the GitHub App installation.
automations/create-github-issue.automation.ts
owner, repository, and non-empty title are required. Optional fields are body, singular assignee, assignees, labels (names or objects with id or name), positive integer milestone, and account. Inputs accept compatible signals.
Returns the complete created GitHub issue. The installation needs Issues write permission, and GitHub rejects assignees, labels, or milestones that are unavailable in the repository.