Apply suggestions from code review

Co-authored-by: Victor Berchet <[email protected]>

Author: conico974

.changeset/famous-weeks-deliver.md

@@ -2,4 +2,4 @@
 "@opennextjs/cloudflare": patch
 ---
 
-global `setTimeout`, `setInterval` and `setImmediate` now use the one from node
+global timer functions now use the one from node:timers

packages/cloudflare/src/cli/build/bundle-server.ts

@@ -146,6 +146,7 @@ export async function bundleServer(buildOpts: BuildOptions): Promise<void> {
     },
     banner: {
       // We need to import them here, assigning them to `globalThis` does not work because node:timers use `globalThis` and thus create an infinite loop
+      // See https://github.com/cloudflare/workerd/blob/d6a764c/src/node/internal/internal_timers.ts#L56-L70
       js: `import {setInterval, clearInterval, setTimeout, clearTimeout, setImmediate, clearImmediate} from "node:timers"`,
     },
     platform: "node",