feat: migrate to ags v3

widgets/bar/gpu.tsx

@@ -1,12 +1,12 @@
-import { bind, Variable } from "astal";
+import { createPoll } from "ags/time";
 
 export const GPU = () => {
-  const gpu = Variable("").poll(5000, ["bash", "-c", "supergfxctl -g"]);
+  const gpu = createPoll("", 5000, ["bash", "-c", "supergfxctl -g"]);
 
   return (
     <box cssClasses={["pill"]} spacing={5}>
       <image iconName="fa-video-card-symbolic" />
-      <label label={bind(gpu).as((val) => val)} />
+      <label label={gpu((val) => val)} />
     </box>
   );
 };