v4.19.0

Changes

• #734 fix: Show error when deployment cannot be redeployed
• #735 feat: Add railway delete command for project deletion
• #736 feat: Add --project flag to railway run command
• #737 feat: Add local alias for railway run command
• #738 feat: Improve SSH error message for serverless services
• #739 feat: Add --set-from-stdin flag to read variable values from stdin
• #740 feat: Add auto-release workflow for batched releases
• #741 feat: Add --restart flag to redeploy for container restart without rebuild
• #742 feat: Add railway upgrade command
• #743 fix: Fix flaky "Failed to stream build logs" error in railway up