build(deps) update go linkerd2-proxy-api to v0.15.0 (#13396) #351

Job	Run time
tag	3s
Docker build (cli-bin)	11m 27s
Docker build (controller)	5m 59s
Docker build (policy-controller)	14m 49s
Docker build (debug)	2m 24s
Docker build (jaeger-webhook)	5m 26s
Docker build (metrics-api)	5m 3s
Docker build (proxy)	4m 22s
Docker build (tap)	5m 36s
Docker build (web)	6m 54s
Static CLI tests (windows)	3m 37s
Integration tests (cluster-domain)	3m 9s
Integration tests (cni-calico-deep)	3m 22s
Integration tests (deep)	2m 53s
Integration tests (viz)	4m 48s
Integration tests (default-policy-deny)	3m 15s
Integration tests (external)	3m 53s
Integration tests (rsa-ca)	2m 14s
Integration tests (helm-upgrade)	4m 37s
Integration tests (uninstall)	3m 26s
Integration tests (upgrade-edge)	4m 33s
Pack Chocolatey release	3s
Create GH release	15s
Helm chart deploy	33s
Linkerd website publish	3s
Linkerd website publish check	1m 34s
	1h 44m 18s

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