fix versionnumber

plugin.json

@@ -10,7 +10,7 @@
     "author": "Ratepay GmbH",
     "supplier": "Ratepay GmbH",
     "description": "<h2>Ratepay Payment plugin for Shopware Community Edition Version 5</h2><ul><li style='list-style: inherit;'>RatePAY Payment Module</li><li style='list-style: inherit;'>Payment means: Invoice, Direct Debit (ELV), Rate</li><li style='list-style: inherit;'>Cancellations, Returns, etc. can be created from an additional tab in the order detail view</li><li style='list-style: inherit;'>Integrated support for multishops</li><li style='list-style: inherit;'>Improved payment form with visual feedback for your customers</li><li style='list-style: inherit;'>Supported Languages: German, English</li><li style='list-style: inherit;'>Backend Log with custom View accessible from your shop backend</li></ul>",
-    "currentVersion": "5.5.1.8",
+    "currentVersion": "5.5.1",
     "payment_confirm": true,
     "compatibility": {
         "minimumVersion": "5.5.0",