v1.11.21

What’s Changed

• Codegen: Support response headers (#4460) @hughsimpson
• Adds support for sttp client 4 (#4299) @MichalStopyra
• Adds tracing interceptor to otel4s tracing example code (#4467) @yannick-cw
• ZPartialServerEndpoint.serverLogic should return ServerEndpoint.Full (#4397) (#4466) @pawelkaczor
• codegen: support components/requestBodies and components/responses (#4457) @hughsimpson
• Codegen: xml support (#4407) @hughsimpson
• Codegen: oauth2 security schemas support (#4449) @hughsimpson
• Add helper methods to Schema to add/modify attributes (#4451) @adamw
• Add Nullable attribute (#4444) @jnatten

Dependency updates

• Update gatling-sbt to 4.13.3 (#4468) @softwaremill-ci
• Update zio-http to 3.2.0 (#4463) @softwaremill-ci
• Update otel4s-oteljava, ... to 0.12.0 (#4459) @softwaremill-ci
• Update guava to 33.4.6-jre (#4458) @softwaremill-ci
• Update fs2-reactive-streams to 3.12.0 (#4453) @softwaremill-ci
• Update model:core to 1.7.13 (#4454) @softwaremill-ci
• Update cats-effect to 3.6.0 (#4450) @softwaremill-ci
• Update otel4s-oteljava, ... to 0.12.0-RC4 (#4448) @softwaremill-ci
• Update gatling-sbt to 4.13.2 (#4447) @softwaremill-ci
• Update tapir-opentelemetry-tracing to 1.11.20 (#4446) @softwaremill-ci