v1.20250808.0

What's Changed

• enable isolatedModules flag on tsconfig by @anonrig in https://github.com/cloudflare/workerd/pull/4694
• Python: Make vendor tests keep track of Python version if necessary by @hoodmane in https://github.com/cloudflare/workerd/pull/4697
• Python: Update make_snapshots to use no_global_handlers compat flag by @hoodmane in https://github.com/cloudflare/workerd/pull/4661
• Python ts MAINT: Remove some type assertions by @hoodmane in https://github.com/cloudflare/workerd/pull/4713
• just update workerd-cxx by @mikea in https://github.com/cloudflare/workerd/pull/4716
• Move class definitions of *ActorOutgoingFactory into header file by @joshthoward in https://github.com/cloudflare/workerd/pull/4715
• Revert "Use new js error serialization to preserve error details (#4698) by @jasnell in https://github.com/cloudflare/workerd/pull/4717
• improve cross os justfile prepare by @anonrig in https://github.com/cloudflare/workerd/pull/4718

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250807.0...v1.20250808.0