### Description

We now support storing KNN vectors as part of our indexed data.  These vectors should be included in the disk usage API.
server/src/main/java/org/elasticsearch/action/admin/indices/diskusage/IndexDiskUsageAnalyzer.java
static final long THRESHOLD = 10_000;
        private long iterations;
        private final Runnable checkForCancellationRunner;
        CancellationChecker(Runnable checkForCancellationRunner) {
            this.checkForCancellationRunner = checkForCancellationRunner;
        }
        void logEvent() {
            if (iterations == THRESHOLD) {
                checkForCancellation();
            } else {
                iterations++;
            }
        }
        void checkForCancellation() {
            iterations = 0;
            checkForCancellationRunner.run();
        }
    }
    private static class ExecutionTime {
        long invertedIndexTimeInNanos;
        long storedFieldsTimeInNanos;
        long docValuesTimeInNanos;
        long pointsTimeInNanos;
        long normsTimeInNanos;
        long termVectorsTimeInNanos;
        long totalInNanos() {