v1.20251019.0

What's Changed

• Python snapshots: Fix path confusion when preloading dynamic libraries by @hoodmane in https://github.com/cloudflare/workerd/pull/5335
• Python: Update create_vendor_zip.py to support multiple packages by @hoodmane in https://github.com/cloudflare/workerd/pull/5326

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20251018.0...v1.20251019.0