fix: requirement FroshTools was set too low (#129)

Author: tinect

composer.json

@@ -1,6 +1,6 @@
 {
     "name": "frosh/mail-platform-archive",
-    "version": "3.5.3",
+    "version": "3.5.4",
     "description": "Mail Archive",
     "type": "shopware-platform-plugin",
     "license": "MIT",
@@ -44,7 +44,10 @@
         "zbateson/mail-mime-parser": "^3.0"
     },
     "require-dev": {
-        "frosh/tools": ">2.0.0"
+        "frosh/tools": ">2.1.3"
+    },
+    "conflict": {
+        "frosh/tools": "<2.1.3"
     },
     "config": {
         "allow-plugins": {