ISSUE-345: update core version

Co-authored-by: Tatevik <[email protected]>

Author: TatevikGr

composer.json

@@ -30,7 +30,7 @@
     },
     "require": {
         "php": "^8.1",
-        "phplist/core": "v5.0.0-alpha6"
+        "phplist/core": "v5.0.0-alpha7"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",