Fix JSON syntax.

Unlike Python, JSON does not support a trailing comma on the last item of a list.

hacs.json

@@ -1,5 +1,5 @@
 {
   "name": "Tuya Local",
   "render_readme": true,
-  "homeassistant": "2022.2.0",
+  "homeassistant": "2022.2.0"
 }