Fix issue w/wrong setTimeout call (#10)

Author: github-actions[bot]

package.json

@@ -1,6 +1,6 @@
 {
   "name": "async-wait-until",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "description": "Waits for a given predicate callback to return a truthy value and resolves",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",

src/index.ts

@@ -76,7 +76,7 @@ const getScheduler = (): Scheduler => {
 
       const cleanUp = (timer: number | NodeJS.Timeout | undefined) => {
         if (timer != null) {
-          typeof timer === 'number' ? window.clearTimeout(timer) : global.clearTimeout(timer);
+          (window != null ? window : global).clearTimeout(timer as number);
         }
 
         scheduledTimer = undefined;