Fix: Adjust COMPOSER_ROOT_VERSION and branch alias

Author: localheinz

.github/workflows/ci.yml

@@ -6,6 +6,9 @@ on:
 
 name: CI
 
+env:
+  COMPOSER_ROOT_VERSION: "9.2.x-dev"
+
 jobs:
   coding-guidelines:
     name: Coding Guidelines

composer.json

@@ -63,7 +63,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-main": "9.2-dev"
+            "dev-main": "9.2.x-dev"
         }
     }
 }