Release v1.0.4

Changes

• Add DELETE_ORPHANED_BRANCHES env var for automatic branch cleanup
• Implement smart branch protection (excludes main, staging, dev, prod, etc.)
• Auto-skip archived and inactive repositories from analysis
• Add deduplication for branches with multiple closed/merged PRs
• Implement 403 error retry with 5-second backoff for transient API issues
• Skip deletion of branches that are part of open PRs
• Enhance reporting with deletion results and repository breakdown
• Update GitHub Actions workflow with DELETE_ORPHANED_BRANCHES support