Fix Observable.take scheduler annotation (#8289)

Author: evgenyponomarev

src/main/java/io/reactivex/rxjava4/core/Observable.java

@@ -11489,7 +11489,7 @@ public final Observable<T> take(long count) {
      * @see <a href="http://reactivex.io/documentation/operators/take.html">ReactiveX operators documentation: Take</a>
      */
     @CheckReturnValue
-    @SchedulerSupport(SchedulerSupport.NONE)
+    @SchedulerSupport(SchedulerSupport.COMPUTATION)
     @NonNull
     public final Observable<T> take(long time, @NonNull TimeUnit unit) {
         return takeUntil(timer(time, unit));