update github.com/pires/go-proxyproto to v0.5.0

test/e2e/features/real_ip.go

@@ -0,0 +1,20 @@
+package features
+
+import (
+	"github.com/fatedier/frp/test/e2e/framework"
+
+	. "github.com/onsi/ginkgo"
+)
+
+var _ = Describe("[Feature: Real IP]", func() {
+	f := framework.NewDefaultFramework()
+
+	It("HTTP X-Forwarded-For", func() {
+		// TODO
+		_ = f
+	})
+
+	It("Proxy Protocol", func() {
+		// TODO
+	})
+})