feat!: quiqqer v2

BREAKING CHANGE: quiqqer v2 has been renamed to quiqqer/core. a new major version will be created here so that we can still develop for both versions.

composer.json

@@ -15,9 +15,9 @@
     "email": "support@pcsg.de"
   },
   "require": {
-    "quiqqer\/quiqqer": "^2",
+    "quiqqer\/core": "^2",
     "quiqqer\/qui": "^1",
-    "quiqqer\/utils": "^1.4",
+    "quiqqer\/utils": "^2",
     "quiqqer\/requirements": "^3",
     "dragonmantank/cron-expression": "^v3.3",
     "quiqqer-asset/animejs": "*"