update agentVersion as a golden metric

[rajrohanyadav]

Relevant information

Checklist

• I've read the guidelines and understand the acceptance criteria.
• The value of the attribute marked as identifier will be unique and valid.
• I've confirmed that my entity type wasn't already defined. If it is I'm providing an explanation above.

[entityBot]

beep boop bop.

I have found some errors processing these changes:

* Error PARSING domainType: 'infra-host' on LinkedHashMap<String, entitydefinitionemitter.models.CustomGoldenMetricDefinition> - jackson.databind.exc.ValueInstantiationException: Cannot construct instance of `entitydefinitionemitter.models.CustomGoldenMetricDefinition`, problem: String is not a valid unit for golden metrics
at [Source: (StringReader); line: 35, column: 1] (through reference chain: LinkedHashMap["agentVersion"])

* Error VALIDATING domainType: 'INFRA-HOST' on Summary metrics for key ''agentVersion': wrong golden metric reference. Couldn't find a golden metric definition with key 'agentVersion', please populate 'goldenMetric' with a valid reference to an existing golden metric.' - Exception: 'agentVersion': wrong golden metric reference. Couldn't find a golden metric definition with key 'agentVersion', please populate 'goldenMetric' with a valid reference to an existing golden metric.

* Error VALIDATING domainType: 'INFRA-HOST' on Summary metrics for key ''cpuUsage': wrong golden metric reference. Couldn't find a golden metric definition with key 'cpuUsage', please populate 'goldenMetric' with a valid reference to an existing golden metric.' - Exception: 'cpuUsage': wrong golden metric reference. Couldn't find a golden metric definition with key 'cpuUsage', please populate 'goldenMetric' with a valid reference to an existing golden metric.

* Error VALIDATING domainType: 'INFRA-HOST' on Summary metrics for key ''memoryUsage': wrong golden metric reference. Couldn't find a golden metric definition with key 'memoryUsage', please populate 'goldenMetric' with a valid reference to an existing golden metric.' - Exception: 'memoryUsage': wrong golden metric reference. Couldn't find a golden metric definition with key 'memoryUsage', please populate 'goldenMetric' with a valid reference to an existing golden metric.

* Error VALIDATING domainType: 'INFRA-HOST' on Summary metrics for key ''storageUsage': wrong golden metric reference. Couldn't find a golden metric definition with key 'storageUsage', please populate 'goldenMetric' with a valid reference to an existing golden metric.' - Exception: 'storageUsage': wrong golden metric reference. Couldn't find a golden metric definition with key 'storageUsage', please populate 'goldenMetric' with a valid reference to an existing golden metric.

* Error VALIDATING domainType: 'INFRA-HOST' on Summary metrics for key ''networkTrafficTx': wrong golden metric reference. Couldn't find a golden metric definition with key 'networkTrafficTx', please populate 'goldenMetric' with a valid reference to an existing golden metric.' - Exception: 'networkTrafficTx': wrong golden metric reference. Couldn't find a golden metric definition with key 'networkTrafficTx', please populate 'goldenMetric' with a valid reference to an existing golden metric.

* Error VALIDATING domainType: 'INFRA-HOST' on Summary metrics for key ''networkTrafficRx': wrong golden metric reference. Couldn't find a golden metric definition with key 'networkTrafficRx', please populate 'goldenMetric' with a valid reference to an existing golden metric.' - Exception: 'networkTrafficRx': wrong golden metric reference. Couldn't find a golden metric definition with key 'networkTrafficRx', please populate 'goldenMetric' with a valid reference to an existing golden metric.