Bump golang.org/x/tools from 0.26.0 to 0.27.0 #2470

Job	Run time
Unit Test (knative/serving)	9m 42s
Unit Test (knative/networking)	3m 55s
Unit Test (knative/eventing)	11m 53s
Unit Test (knative/operator)	7m 18s
Unit Test (knative/client)	6m 24s
Unit Test (knative-extensions/eventing-autoscaler-keda)	4m 45s
Unit Test (knative-extensions/eventing-ceph)	4m 57s
Unit Test (knative-extensions/eventing-github)	5m 58s
Unit Test (knative-extensions/eventing-gitlab)	5m 10s
Unit Test (knative-extensions/eventing-kafka-broker)	9m 13s
Unit Test (knative-extensions/eventing-rabbitmq)	8m 21s
Unit Test (knative-extensions/eventing-redis)	5m 31s
Unit Test (knative-extensions/kn-plugin-admin)	4m 41s
Unit Test (knative-extensions/net-certmanager)	4m 25s
Unit Test (knative-extensions/net-contour)	4m 46s
Unit Test (knative-extensions/net-istio)	5m 14s
Unit Test (knative-extensions/net-kourier)	4m 57s
	1h 47m 10s

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