Bump cardata manifest version to 5.1.1

Update custom_components/cardata/manifest.json version from 5.1.0 to 5.1.1 to reflect a patch release. No other functional changes in this diff.

Author: kvanbiesen

custom_components/cardata/manifest.json

@@ -14,5 +14,5 @@
   "requirements": [
     "paho-mqtt>=1.6.1"
   ],
-  "version": "5.1.0"
+  "version": "5.1.1"
 }