Merge pull request #1043 from xiaoliu10/replace_ci_icon

Replace ci icon

README.md

 # Apache Dubbo-go [中文](./README_CN.md) #
 
-[![Build Status](https://travis-ci.org/apache/dubbo-go.svg?branch=master)](https://travis-ci.org/apache/dubbo-go)
+[![Build Status](https://github.com/apache/dubbo-go/workflows/CI/badge.svg)](https://travis-ci.org/apache/dubbo-go)
 [![codecov](https://codecov.io/gh/apache/dubbo-go/branch/master/graph/badge.svg)](https://codecov.io/gh/apache/dubbo-go)
 [![go.dev reference](https://img.shields.io/badge/go.dev-reference-007d9c?logo=go&logoColor=white&style=flat-square)](https://pkg.go.dev/github.com/apache/dubbo-go?tab=doc)
 [![Go Report Card](https://goreportcard.com/badge/github.com/apache/dubbo-go)](https://goreportcard.com/report/github.com/apache/dubbo-go)

README_CN.md

 # Apache Dubbo-go [English](./README.md) #
 
-[![Build Status](https://travis-ci.org/apache/dubbo-go.svg?branch=master)](https://travis-ci.org/apache/dubbo-go)
+[![Build Status](https://github.com/apache/dubbo-go/workflows/CI/badge.svg)](https://travis-ci.org/apache/dubbo-go)
 [![codecov](https://codecov.io/gh/apache/dubbo-go/branch/master/graph/badge.svg)](https://codecov.io/gh/apache/dubbo-go)
 [![go.dev reference](https://img.shields.io/badge/go.dev-reference-007d9c?logo=go&logoColor=white&style=flat-square)](https://pkg.go.dev/github.com/apache/dubbo-go?tab=doc)
 [![Go Report Card](https://goreportcard.com/badge/github.com/apache/dubbo-go)](https://goreportcard.com/report/github.com/apache/dubbo-go)