chore(deps): update structlog requirement from >=24.1.0 to >=25.5.0

Updates the requirements on [structlog](https://github.com/hynek/structlog) to permit the latest version.
- [Release notes](https://github.com/hynek/structlog/releases)
- [Changelog](https://github.com/hynek/structlog/blob/main/CHANGELOG.md)
- [Commits](hynek/structlog@24.1.0...25.5.0)

---
updated-dependencies:
- dependency-name: structlog
  dependency-version: 25.5.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -15,7 +15,7 @@ dependencies = [
     "sqlalchemy>=2.0.0",
     "sqlglot>=20.0.0",
     "anthropic>=0.18.0",
-    "structlog>=24.1.0",
+    "structlog>=25.5.0",
     "opentelemetry-api>=1.22.0",
     "opentelemetry-sdk>=1.22.0",
     "opentelemetry-instrumentation-fastapi>=0.43b0",