Merge pull request #9367 from bobrik/dualstack

Enable dualstack in every net.Dialer, fixes #9364

pkg/api/app_routes.go

@@ -25,6 +25,7 @@ var pluginProxyTransport = &http.Transport{
 	Dial: (&net.Dialer{
 		Timeout:   30 * time.Second,
 		KeepAlive: 30 * time.Second,
+		DualStack: true,
 	}).Dial,
 	TLSHandshakeTimeout: 10 * time.Second,
 }

pkg/api/grafana_com_proxy.go

@@ -19,6 +19,7 @@ var grafanaComProxyTransport = &http.Transport{
 	Dial: (&net.Dialer{
 		Timeout:   30 * time.Second,
 		KeepAlive: 30 * time.Second,
+		DualStack: true,
 	}).Dial,
 	TLSHandshakeTimeout: 10 * time.Second,
 }