also import corresponding clear function from node

Author: conico974

examples/playground15/instrumentation.js

@@ -8,6 +8,7 @@ export function register() {
   }, 0);
   // This is to test that we have access to the node version of setTimeout
   timeout.unref();
+  clearTimeout(timeout);
 
   if (process.env.NEXT_RUNTIME === "nodejs") {
     globalThis["__NODEJS_INSTRUMENTATION_SETUP"] =

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

@@ -146,7 +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
-      js: `import {setInterval, setTimeout, setImmediate} from "node:timers"`,
+      js: `import {setInterval, clearInterval, setTimeout, clearTimeout, setImmediate, clearImmediate} from "node:timers"`,
     },
     platform: "node",
   });