Enforce evenement/evenement to ^2.0 as minimum dep

Author: rennokki

composer.json

@@ -27,6 +27,7 @@
         "cboden/ratchet": "^0.4.1",
         "clue/buzz-react": "^2.5",
         "clue/redis-react": "^2.3",
+        "evenement/evenement": "^2.0|^3.0",
         "facade/ignition-contracts": "^1.0",
         "guzzlehttp/psr7": "^1.5",
         "illuminate/broadcasting": "^6.0|^7.0",