Merge pull request #18 from retailcrm/resolve-logger-version-conflict

Resolve conflict with psr/log

composer.json

@@ -17,7 +17,7 @@
         "jms/serializer": "^0.12|^1.0|^2.0|^3.0",
         "symfony/validator": "~2.8|~3.0|~4.0|^5.0|^6.0",
         "doctrine/cache": "~1.6",
-        "psr/log": "~1.0"
+        "psr/log": "~1.0|^2.0|^3.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~8.0"