ISSUE-344: phplist/core version update

Author: tatevikg1

composer.json

@@ -30,7 +30,7 @@
     },
     "require": {
         "php": "^8.1",
-        "phplist/core": "dev-ISSUE-337"
+        "phplist/core": "dev-alpha"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",
@@ -78,7 +78,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-ISSUE-337": "5.0.x-dev"
+            "dev-alpha": "5.0.x-dev"
         },
         "symfony-app-dir": "bin",
         "symfony-bin-dir": "bin",