AC-3556: Monolog 2.7.0 causing failures in WebAPI+Integration Tests

Author: Stanislav Idolov

composer.json

@@ -66,7 +66,7 @@
         "magento/composer-dependency-version-audit-plugin": "~0.1",
         "magento/magento-composer-installer": ">=0.3.0",
         "magento/zendframework1": "~1.15.0",
-        "monolog/monolog": "^2.6",
+        "monolog/monolog": "^2.7",
         "pelago/emogrifier": "^6.0.0",
         "php-amqplib/php-amqplib": "~3.2.0",
         "phpseclib/mcrypt_compat": "~2.0.2",