Bump monolog/monolog from 3.5.0 to 3.8.1

Bumps [monolog/monolog](https://github.com/Seldaek/monolog) from 3.5.0 to 3.8.1.
- [Release notes](https://github.com/Seldaek/monolog/releases)
- [Changelog](https://github.com/Seldaek/monolog/blob/main/CHANGELOG.md)
- [Commits](Seldaek/monolog@3.5.0...3.8.1)

---
updated-dependencies:
- dependency-name: monolog/monolog
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]