fix(logging): adserver is very noisy for feedback requests, possibly affecting performance

[majolo]

This currently produces the below for every single Feedback requests(and there can be 10s of thousands) - this is not helping with performance or readability.

│ INFO:root:PROCESSING Feedback Event.                                                                                                                                                                             │
│ INFO:root:{'Host': 'seldon-sd-ml-iris-accuracy-metrics-ml-multiclass.seldon.svc.cluster.local', 'User-Agent': 'Go-http-client/1.1', 'Content-Length': '77', 'Accept-Encoding': 'gzip', 'Ce-Endpoint': 'default', │
│ INFO:root:----                                                                                                                                                                                                   │
│ ERROR:root:[0], [1]                                                                                                                                                                                              │
│ INFO:root:binary CloudEvent                                                                                                                                                                                      │
│ INFO:root:ce-specversion: 1.0                                                                                                                                                                                    │
│                                                                                                                                                                                                                  │
│ INFO:root:ce-id: dd4607a0-5e45-4095-a128-fc4042e481db                                                                                                                                                            │
│                                                                                                                                                                                                                  │
│ INFO:root:ce-source: io.seldon.serving.ml-iris-accuracy-ml-multiclass                                                                                                                                            │
│                                                                                                                                                                                                                  │
│ INFO:root:ce-type: io.seldon.serving.feedback.metrics                                                                                                                                                            │
│                                                                                                                                                                                                                  │
│ INFO:root:ce-endpoint: default                                                                                                                                                                                   │
│                                                                                                                                                                                                                  │
│ INFO:root:ce-inferenceservicename: ml-iris-accuracy                                                                                                                                                              │
│                                                                                                                                                                                                                  │
│ INFO:root:ce-knativearrivaltime: 2024-02-20T14:24:46.696630186Z                                                                                                                                                  │
│                                                                                                                                                                                                                  │
│ INFO:root:ce-modelid: ml-iris-accuracy-container                                                                                                                                                                 │
│                                                                                                                                                                                                                  │
│ INFO:root:ce-namespace: seldon                                                                                                                                                                                   │
│                                                                                                                                                                                                                  │
│ INFO:root:ce-protocol: seldon                                                                                                                                                                                    │
│                                                                                                                                                                                                                  │
│ INFO:root:ce-requestid: cdd01f83-e402-4ba5-9a9c-f40e180d229a                                                                                                                                                     │
│                                                                                                                                                                                                                  │
│ INFO:root:ce-traceparent: 00-6c57b179c8b17780515515cdccc33e93-8b8c8dc339a1c913-00                                                                                                                                │
│                                                                                                                                                                                                                  │
│ INFO:root:b'{}'

[RafalSkolasinski]

LGTM