Bump google.golang.org/protobuf from 1.36.2 to 1.36.3 #2509

Job	Run time
Unit Test (knative/serving)	10m 23s
Unit Test (knative/networking)	4m 41s
Unit Test (knative/eventing)	13m 5s
Unit Test (knative/operator)	6m 54s
Unit Test (knative/client)	8m 5s
Unit Test (knative-extensions/eventing-autoscaler-keda)	5m 12s
Unit Test (knative-extensions/eventing-ceph)	5m 16s
Unit Test (knative-extensions/eventing-github)	5m 53s
Unit Test (knative-extensions/eventing-gitlab)	5m 39s
Unit Test (knative-extensions/eventing-kafka-broker)	10m 0s
Unit Test (knative-extensions/eventing-rabbitmq)	8m 15s
Unit Test (knative-extensions/eventing-redis)	5m 32s
Unit Test (knative-extensions/kn-plugin-admin)	5m 42s
Unit Test (knative-extensions/net-certmanager)	4m 44s
Unit Test (knative-extensions/net-contour)	5m 6s
Unit Test (knative-extensions/net-istio)	5m 49s
Unit Test (knative-extensions/net-kourier)	5m 12s
	1h 55m 28s

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