Bump cardata version to 5.1.8

Update custom_components/cardata/manifest.json to increment the integration version from 5.1.7 to 5.1.8. No other changes included.

Author: kvanbiesen

custom_components/cardata/manifest.json

@@ -14,5 +14,5 @@
   "requirements": [
     "paho-mqtt>=1.6.1"
   ],
-  "version": "5.1.7"
+  "version": "5.1.8"
 }