v1.20251018.0

What's Changed

• fix several todos related to typescript by @anonrig in https://github.com/cloudflare/workerd/pull/5331
• Python snapshots: Record table base in metadata by @hoodmane in https://github.com/cloudflare/workerd/pull/5334
• Python: Update vendor_test.bzl to handle python_flags arguments by @hoodmane in https://github.com/cloudflare/workerd/pull/5328
• update typescript to 5.9.2 by @anonrig in https://github.com/cloudflare/workerd/pull/5313

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20251017.0...v1.20251018.0