v1.20250909.0

What's Changed

• Add Python snapshots upload job by @hoodmane in https://github.com/cloudflare/workerd/pull/4951
• Release Python with Pyodide 0.28.2 by @hoodmane in https://github.com/cloudflare/workerd/pull/5008
• Add D1 total_attempts field to query meta response by @lambrospetrou in https://github.com/cloudflare/workerd/pull/5009
• Python: Move workers code into a Python package style layout by @hoodmane in https://github.com/cloudflare/workerd/pull/5007
• Python: Download test snapshots from the production r2 bucket by @hoodmane in https://github.com/cloudflare/workerd/pull/5010
• Implements Wrappable changes for v8 14.1 support by @dom96 in https://github.com/cloudflare/workerd/pull/5012
• Python: Fix collect_methods utility function by @hoodmane in https://github.com/cloudflare/workerd/pull/5011
• [R2 instrumentation] Add tags for responses by @jmorrell-cloudflare in https://github.com/cloudflare/workerd/pull/4983
• Cleanup ownership model for new module registry by @jasnell in https://github.com/cloudflare/workerd/pull/4932
• Implement dynamic tails on dynamically-loaded workers. by @kentonv in https://github.com/cloudflare/workerd/pull/5002
• [o11y] Don't require tailWorkerUserSpans compat flag for for span tracing in STW by @fhanau in https://github.com/cloudflare/workerd/pull/5017
• Remove forked promise in TailStreamCustomEventImpl::run by @mar-cf in https://github.com/cloudflare/workerd/pull/4997
• Move Worker::Api agonostic module registry init code out by @jasnell in https://github.com/cloudflare/workerd/pull/4943

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250906.0...v1.20250909.0