Update plugin.json

bump minimum grafana version to 10

Author: KatrinaTurner

src/plugin.json

@@ -29,7 +29,7 @@
     "updated": "%TODAY%"
   },
   "dependencies": {
-    "grafanaDependency": ">=8.0.0",
+    "grafanaDependency": ">=10.0.0",
     "plugins": []
   }
 }