Bump structlog from 21.5.0 to 22.3.0 (#240)

Bumps [structlog](https://github.com/hynek/structlog) from 21.5.0 to 22.3.0.
- [Release notes](https://github.com/hynek/structlog/releases)
- [Changelog](https://github.com/hynek/structlog/blob/main/CHANGELOG.md)
- [Commits](hynek/structlog@21.5.0...22.3.0)

---
updated-dependencies:
- dependency-name: structlog
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements.txt

@@ -1,3 +1,3 @@
 click==8.0.4
 redis==4.5.1
-structlog==21.5.0
+structlog==22.3.0