chore(lua_ls): enable inlay hints

Author: ibhagwan

.luarc.jsonc

@@ -30,5 +30,9 @@
     "weakUnionCheck": true,
     "castNumberToInteger": true
   },
+  "hint": {
+    "enable": true,
+    "setType": true,
+  },
   "telemetry.enable": false
 }