`kn.eventing.dispatch.duration` metric does not record the response status

**Describe the bug**
The `kn.eventing.dispatch.duration` OTel metric does not have any labels associated with the response status.

**Expected behavior**
The `kn.eventing.dispatch.duration` OTel metric has labels associated with the response status

**To Reproduce**
Observe the metrics collected

**Knative release version**
1.19

**Additional context**
Add any other context about the problem here such as proposed priority