Update PekkoScheduleInstrumentation.java

Author: pjfanning

instrumentation/pekko/pekko-actor-1.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/pekkoactor/v1_0/PekkoScheduleInstrumentation.java

@@ -38,7 +38,7 @@ public void transform(TypeTransformer transformer) {
   public static class ScheduleAdvice {
 
     @Advice.OnMethodEnter(suppress = Throwable.class)
-    public static void enterScheduleOnce(
+    public static void enterSchedule(
         @Advice.Argument(value = 2, readOnly = false) Runnable runnable) {
       Context context = Java8BytecodeBridge.currentContext();
       runnable = context.wrap(runnable);