Updated the StateManager and added a dependency to generate random uuid

Author: sebprt

composer.json

@@ -34,7 +34,8 @@
     "php": "^8.0",
     "php-etl/pipeline-contracts": "^0.3.0",
     "php-etl/bucket": "^0.2.0",
-    "bunny/bunny": "*"
+    "bunny/bunny": "*",
+    "ramsey/uuid": "^4.2"
   },
   "require-dev": {
     "phpunit/phpunit": "^9.0",