fix(deps): update dependency monolog/monolog to v3

Author: renovate-bot

logging/composer.json

@@ -2,7 +2,7 @@
     "require": {
         "google/cloud-logging": "^1.20.0",
         "symfony/console": "^5.0",
-        "monolog/monolog": "^2.0"
+        "monolog/monolog": "^3.0"
     },
     "autoload": {
         "files": [