- Import getHeaders function in metadata.ts
- Update updateScriptLock() to include extra headers from HEADERS env var
- Update updateFlow() to include extra headers in both fetch branches
- Fixes issue where wmill flow generate-locks ignored custom headers
Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>
Co-authored-by: windmill-internal-app[bot] <windmill-internal-app[bot]@users.noreply.github.com>