chore(main): release 0.13.0

[github-actions]

🤖 I have created a release beep boop

0.13.0 (2026-09-22)

Features

• chargebee: emulate trials and saved payment sources (#13) (ffb4832)
• cloudflare: emulate Turnstile widget and token verification (#15) (5ce69f5)
• github: support raw media negotiation for Contents and README (#237) (67d5d29)
• google: add Calendar v3 discovery endpoint (#238) (a0401aa)
• resend: support Idempotency-Key for email sends (#239) (f360ec7)
• slack: enforce 40,000-character message limit (#244) (01df562)
• stripe: emulate Elements card entry and single-use tokens (#14) (89bc99a)

Bug Fixes

• aws: preserve binary data in S3 objects (#245) (4924f9f)
• github: authorize organization installation writes as App bots (#242) (fc14214)
• github: support slash-containing refs in Checks list endpoints (#246) (be9794f)
• google: support RS256 OIDC tokens and JWKS (#247) (35ddfa8)
• microsoft: bind refresh tokens to OAuth clients (#243) (9672fe4)
• release: sync upstream and preserve Envoy package distribution (dc05edd)
• release: sync upstream and preserve Envoy package distribution (330bf3f)

Documentation

• align configuration examples with supported services (#248) (3d2a716)

---

This PR was generated with Release Please. See documentation.

[github-actions]

🤖 Created releases:

• v0.13.0

🌻