Update structlog requirement from <24,>=20 to >=20,<25 (#1473)

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@20.1.0...24.1.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -18,7 +18,7 @@ dependencies = [
   "pydantic>=1.9,<2",
   "PyYAML",
   "requests>=2,<3",
-  "structlog>=20,<24",
+  "structlog>=20,<25",
   'typing-compat; python_version < "3.8"',
   "typing_extensions>=4.4.0",
   "uvicorn[standard]>=0.12,<1",