feat: migrate to ags v3

widgets/bar/cpu.tsx

@@ -1,7 +1,7 @@
-import { bind, Variable } from "astal";
+import { createPoll } from "ags/time";
 
 export const CPU = () => {
-  const cpu = Variable("").poll(5000, [
+  const cpu = createPoll("", 5000, [
     "bash",
     "-c",
     "cat /sys/class/thermal/thermal_zone*/temp",
@@ -10,7 +10,7 @@ export const CPU = () => {
   return (
     <box cssClasses={["pill"]} spacing={5}>
       <image iconName="fa-cpu-symbolic" />
-      <label label={bind(cpu).as((val) => `${parseInt(val) / 1000} °C`)} />
+      <label label={cpu((val) => `${parseInt(val) / 1000} °C`)} />
     </box>
   );
 };