Updated composer.json requirements for latest version

Author: uros

composer.json

@@ -29,7 +29,7 @@
   ],
   "require": {
     "php": ">=7.0",
-    "pimcore/pimcore": ">=5"
+    "pimcore/pimcore": ">=6.8"
   },
   "autoload": {
     "psr-4": {
@@ -43,4 +43,4 @@
       ]
     }
   }
-}
+}