### CI Link

https://gradle-enterprise.elastic.co/s/gcyi7azxnlpck/tests/:x-pack:plugin:autoscaling:test/org.elasticsearch.xpack.autoscaling.capacity.AutoscalingDeciderResultsTests/testRequiredCapacity

### Repro line

`./gradlew ':x-pack:plugin:autoscaling:test' --tests "org.elasticsearch.xpack.autoscaling.capacity.AutoscalingDeciderResultsTests.testRequiredCapacity" -Dtests.seed=2E2DFCE718729D4D -Dtests.locale=en-PH -Dtests.timezone=AST -Druntime.java=17`

### Does it reproduce?

Yes

### Applicable branches

main

### Failure history

https://gradle-enterprise.elastic.co/scans/tests?search.timeZoneId=Europe/Berlin&tests.container=org.elasticsearch.xpack.autoscaling.capacity.AutoscalingDeciderResultsTests&tests.test=testRequiredCapacity

### Failure excerpt

```
java.lang.IllegalArgumentException: processors must be a non-negative number; provided [0.0]
        at __randomizedtesting.SeedInfo.seed([2E2DFCE718729D4D:F14848089DDDD218]:0)
        at org.elasticsearch.common.unit.Processors.of(Processors.java:58)
        at org.elasticsearch.xpack.autoscaling.capacity.AutoscalingCapacity$Builder.total(AutoscalingCapacity.java:288)
        at org.elasticsearch.xpack.autoscaling.capacity.AutoscalingDeciderResultsTests.randomCapacity(AutoscalingDeciderResultsTests.java:161)
        at org.elasticsearch.xpack.autoscaling.capacity.AutoscalingDeciderResultsTests.lambda$testRequiredCapacity$1(AutoscalingDeciderResultsTests.java:65)
        at java.base/java.util.stream.IntPipeline$1$1.accept(IntPipeline.java:180)
        at java.base/java.util.stream.Streams$RangeIntSpliterator.forEachRemaining(Streams.java:104)
        at java.base/java.util.Spliterator$OfInt.forEachRemaining(Spliterator.java:711)
        at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
        at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
```
x-pack/plugin/autoscaling/src/test/java/org/elasticsearch/xpack/autoscaling/capacity/AutoscalingDeciderResultsTests.java
)
        );
        assertThat(e.getMessage(), equalTo("results can not be empty"));
    }
    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/89854")
    public void testRequiredCapacity() {
        AutoscalingCapacity single = randomBoolean() ? randomAutoscalingCapacity() : null;
        verifyRequiredCapacity(single, single);
        
        verifyRequiredCapacity(null, single, null);
        verifyRequiredCapacity(null, null, single);
        boolean node = randomBoolean();
        boolean storage = randomBoolean();
        boolean memory = randomBoolean();
        boolean processor = randomBoolean() || (storage == false && memory == false);
        AutoscalingCapacity large = randomCapacity(node, storage, memory, processor, 1000, 2000);
        List<AutoscalingCapacity> autoscalingCapacities = new ArrayList<>();
        autoscalingCapacities.add(large);
        IntStream.range(0, 10).mapToObj(i -> randomCapacity(node, storage, memory, processor, 0, 1000)).forEach(autoscalingCapacities::add);
        Randomness.shuffle(autoscalingCapacities);
        verifyRequiredCapacity(large, autoscalingCapacities.toArray(AutoscalingCapacity[]::new));
        AutoscalingCapacity largerStorage = randomCapacity(node, true, false, false, 2000, 3000);
        verifySingleMetricLarger(node, largerStorage, large, large, autoscalingCapacities, largerStorage);
        AutoscalingCapacity largerMemory = randomCapacity(node, false, true, false, 2000, 3000);
        verifySingleMetricLarger(node, large, largerMemory, large, autoscalingCapacities, largerMemory);
        AutoscalingCapacity largerProcessor = randomCapacity(node, false, false, true, 2000, 3000);
        verifySingleMetricLarger(node, large, large, largerProcessor, autoscalingCapacities, largerProcessor);
    }
    public void testToXContent() {
        AutoscalingDeciderResults results = randomAutoscalingDeciderResults();