build(deps): bump github.com/golang/protobuf from 1.5.3 to 1.5.4 (#12… #308

Job	Run time
tag	2s
Docker build (cli-bin)	11m 11s
Docker build (controller)	5m 31s
Docker build (policy-controller)	13m 24s
Docker build (debug)	2m 12s
Docker build (jaeger-webhook)	4m 59s
Docker build (metrics-api)	5m 18s
Docker build (proxy)	4m 51s
Docker build (tap)	5m 24s
Docker build (web)	7m 6s
arm64_integration_tests	2m 44s
Static CLI tests (windows)	3m 31s
Integration tests (cluster-domain)	3m 21s
Integration tests (cni-calico-deep)	3m 38s
Integration tests (deep)	3m 18s
Integration tests (viz)	5m 10s
Integration tests (default-policy-deny)	3m 24s
Integration tests (external)	3m 57s
Integration tests (rsa-ca)	2m 36s
Integration tests (helm-upgrade)	5m 13s
Integration tests (uninstall)	3m 22s
Integration tests (upgrade-edge)	4m 36s
Integration tests (upgrade-stable)	4m 44s
Pack Chocolatey release	3s
Create GH release	16s
Linkerd website publish	4s
Helm chart deploy	32s
Linkerd website publish check	2m 3s
	1h 52m 30s

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