Examples:
app with value my-app SHOULD be recorded as
the k8s.pod.label.app attribute with value "my-app".mycompany.io/arch with value x64 SHOULD be recorded as
the k8s.pod.label.mycompany.io/arch attribute with value "x64".data with empty string value SHOULD be recorded as
the k8s.pod.label.data attribute with value "".
The label placed on the Pod, the
<key>being the label name, the value being the label value.