Name	Description
PR_TRACKER_FETCHER_BRANCH_PATTERNS	JSON array of strings representing branch patterns to track. - ? matches a single occurrence of any character. - * matches zero or more occurrences of any character. No escape characters.
PR_TRACKER_FETCHER_CACHE_DIR	Cache directory (for repository clone).
PR_TRACKER_FETCHER_DATABASE_URL	PostgreSQL connection URI.
PR_TRACKER_FETCHER_GITHUB_REPO_NAME	GitHub repository name.
PR_TRACKER_FETCHER_GITHUB_REPO_OWNER	GitHub repository owner.
PR_TRACKER_FETCHER_GITHUB_TOKEN	GitHub API token with read access to the repository's pull requests.