Bump monolog/monolog from 2.8.0 to 3.2.0

Bumps [monolog/monolog](https://github.com/Seldaek/monolog) from 2.8.0 to 3.2.0.
- [Release notes](https://github.com/Seldaek/monolog/releases)
- [Changelog](https://github.com/Seldaek/monolog/blob/main/CHANGELOG.md)
- [Upgrade guide](https://github.com/Seldaek/monolog/blob/main/UPGRADE.md)
- [Commits](Seldaek/monolog@2.8.0...3.2.0)

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

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

Author: dependabot[bot]

composer.json

@@ -30,7 +30,7 @@
         "php": "^7.2 || ^8.0",
         "ext-json": "*",
         "propel/propel": "~2.0@dev",
-        "monolog/monolog": "^2.2",
+        "monolog/monolog": "^3.2",
         "php-di/php-di": "^6.3",
         "slim/psr7": "^1.3",
         "slim/slim": "^4.7",