chore(deps): bump structlog from 25.3.0 to 25.4.0 (#66)

Bumps [structlog](https://github.com/hynek/structlog) from 25.3.0 to 25.4.0.
- [Release notes](https://github.com/hynek/structlog/releases)
- [Changelog](https://github.com/hynek/structlog/blob/main/CHANGELOG.md)
- [Commits](hynek/structlog@25.3.0...25.4.0)

---
updated-dependencies:
- dependency-name: structlog
  dependency-version: 25.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]