Update monolog/monolog requirement from ^1.27 to ^1.27 || ^2.0

Updates the requirements on [monolog/monolog](https://github.com/Seldaek/monolog) to permit the latest version.
- [Release notes](https://github.com/Seldaek/monolog/releases)
- [Changelog](https://github.com/Seldaek/monolog/blob/main/CHANGELOG.md)
- [Commits](Seldaek/monolog@1.27.0...2.9.2)

---
updated-dependencies:
- dependency-name: monolog/monolog
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

composer.json

@@ -33,7 +33,7 @@
     "require-dev" : {
         "ext-sqlite3": "*",
         "friendsofphp/php-cs-fixer": "^2.19",
-        "monolog/monolog": "^1.27",
+        "monolog/monolog": "^1.27 || ^2.0",
         "phpstan/phpstan": "^0.12 || ^1.0",
         "phpstan/phpstan-phpunit": "^1.0",
         "phpunit/phpunit": "^7.5 || ^8.5 || ^9.6"