fix: use cache sync timeout instead of termination one

Author: metacosm

operator-framework-core/src/main/java/io/javaoperatorsdk/operator/api/config/ExecutorServiceManager.java

@@ -86,7 +86,9 @@ public static void executeAndWaitForCompletion(Runnable task, String threadNameP
     final var name = thread.getName();
     try {
       thread.setName(threadNamePrefix + "-" + thread.getId());
-      instrumented.submit(task).get(instance().terminationTimeoutSeconds, TimeUnit.SECONDS);
+      instrumented.submit(task)
+          .get(ConfigurationServiceProvider.instance().cacheSyncTimeout().toSeconds(),
+              TimeUnit.SECONDS);
       shutdown(instrumented);
     } catch (InterruptedException | ExecutionException | TimeoutException e) {
       throw new OperatorException("Couldn't execute task", e);