feat(inputs.vsphere): Add cpu temperature field (#16109)

plugins/inputs/vsphere/README.md

@@ -551,6 +551,8 @@ override the default query interval in the vSphere plugin.
   * Power: energy, usage
 * Datastore stats:
   * Disk: Capacity, provisioned, used
+* Numeric Sensor stats:
+  * CPU: temperature
 
 For a detailed list of commonly available metrics, please refer to
 [METRICS.md](METRICS.md)

plugins/inputs/vsphere/finder.go

@@ -263,6 +263,7 @@ func init() {
 		"Datastore":              {"parent", "info", "customValue"},
 		"ClusterComputeResource": {"parent", "customValue"},
 		"Datacenter":             {"parent", "customValue"},
+		"HostNumericSensorInfo":  {"parent", "temperature", "baseUnits"},
 	}
 
 	containers = map[string]interface{}{