### CI Link

https://gradle-enterprise.elastic.co/s/hpsiqb6ogssti/tests/:x-pack:plugin:autoscaling:test/org.elasticsearch.xpack.autoscaling.capacity.AutoscalingCalculateCapacityServiceTests/testMultiplePoliciesFixedCapacity

### Repro line

`./gradlew ':x-pack:plugin:autoscaling:test' --tests "org.elasticsearch.xpack.autoscaling.capacity.AutoscalingCalculateCapacityServiceTests.testMultiplePoliciesFixedCapacity" -Dtests.seed=59B9B4C860720152 -Dtests.locale=es-PR -Dtests.timezone=Europe/Mariehamn -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.AutoscalingCalculateCapacityServiceTests

### Failure excerpt

```
java.lang.IllegalArgumentException: processors must be a non-negative number; provided [0.0]
        at __randomizedtesting.SeedInfo.seed([59B9B4C860720152:A780761874932F2D]:0)
        at org.elasticsearch.common.unit.Processors.of(Processors.java:58)
        at org.elasticsearch.xpack.autoscaling.capacity.FixedAutoscalingDeciderService.lambda$static$0(FixedAutoscalingDeciderService.java:35)
        at org.elasticsearch.common.settings.Setting.get(Setting.java:482)
        at org.elasticsearch.common.settings.Setting.get(Setting.java:476)
        at org.elasticsearch.xpack.autoscaling.capacity.FixedAutoscalingDeciderService.scale(FixedAutoscalingDeciderService.java:55)
        at org.elasticsearch.xpack.autoscaling.capacity.AutoscalingCalculateCapacityService.calculateForDecider(AutoscalingCalculateCapacityService.java:226)
        at org.elasticsearch.xpack.autoscaling.capacity.AutoscalingCalculateCapacityService.lambda$calculateForPolicy$3(AutoscalingCalculateCapacityService.java:167)
        at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
        at java.base/java.util.TreeMap$EntrySpliterator.forEachRemaining(TreeMap.java:3287)
        at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
        at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
        at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921)
        at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682)
        at org.elasticsearch.xpack.autoscaling.capacity.AutoscalingCalculateCapacityService.calculateForPolicy(AutoscalingCalculateCapacityService.java:168)
        at org.elasticsearch.xpack.autoscaling.capacity.AutoscalingCalculateCapacityService.lambda$calculate$2(AutoscalingCalculateCapacityService.java:124)
        at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
        at java.base/java.util.TreeMap$EntrySpliterator.forEachRemaining(TreeMap.java:3287)
        at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
        at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
        at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921)
        at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682)
        at org.elasticsearch.xpack.autoscaling.capacity.AutoscalingCalculateCapacityService.calculate(AutoscalingCalculateCapacityService.java:134)
        at org.elasticsearch.xpack.autoscaling.capacity.AutoscalingCalculateCapacityServiceTests.testMultiplePoliciesFixedCapacity(AutoscalingCalculateCapacityServiceTests.java:66)
x-pack/plugin/autoscaling/src/test/java/org/elasticsearch/xpack/autoscaling/capacity/AutoscalingCalculateCapacityServiceTests.java
mostUsages.put(
                multiPathNodeId,
                new DiskUsage(
                    multiPathNodeId,
                    null,
                    randomValueOtherThan(original.getPath(), () -> randomAlphaOfLength(5)),
                    original.getTotalBytes(),
                    original.getFreeBytes()
                )
            );
            info = new ClusterInfo(leastUsages, mostUsages, Map.of(), Map.of(), Map.of(), Map.of());
            context = new AutoscalingCalculateCapacityService.DefaultAutoscalingDeciderContext(
                roleNames,
                state,
                info,
                null,
                n -> Optional.of(new AutoscalingNodeInfo(memory, randomProcessors())),
                () -> {}
            );
            assertThat(context.nodes(), equalTo(expectedNodes));
            if (hasDataRole) {
                assertThat(context.currentCapacity(), is(nullValue()));
            } else {
                assertThat(context.currentCapacity().node().memory(), equalTo(new ByteSizeValue(memory)));
                assertThat(context.currentCapacity().total().memory(), equalTo(new ByteSizeValue(memory * expectedNodes.size())));
                assertThat(context.currentCapacity().node().storage(), equalTo(ByteSizeValue.ZERO));
                assertThat(context.currentCapacity().total().storage(), equalTo(ByteSizeValue.ZERO));
            }
        }
    }