doc: fix ci badge link

Author: nanmu42

README.md

@@ -3,7 +3,7 @@
 # etherscan-api
 
 [![GoDoc](https://godoc.org/github.com/nanmu42/etherscan-api?status.svg)](https://godoc.org/github.com/nanmu42/etherscan-api)
-[![CI status](https://github.com/nanmu42/etherscan-api/workflows/build/ci.svg)](https://github.com/nanmu42/etherscan-api/actions)
+[![CI status](https://github.com/nanmu42/etherscan-api/actions/workflows/ci.yaml/badge.svg)](https://github.com/nanmu42/etherscan-api/actions)
 [![codecov](https://codecov.io/gh/nanmu42/etherscan-api/branch/master/graph/badge.svg)](https://codecov.io/gh/nanmu42/etherscan-api)
 [![Go Report Card](https://goreportcard.com/badge/github.com/nanmu42/etherscan-api)](https://goreportcard.com/report/github.com/nanmu42/etherscan-api)
 

README_ZH.md

@@ -3,7 +3,7 @@
 # etherscan-api
 
 [![GoDoc](https://godoc.org/github.com/nanmu42/etherscan-api?status.svg)](https://godoc.org/github.com/nanmu42/etherscan-api)
-[![CI status](https://github.com/nanmu42/etherscan-api/workflows/build/ci.svg)](https://github.com/nanmu42/etherscan-api/actions)
+[![CI status](https://github.com/nanmu42/etherscan-api/actions/workflows/ci.yaml/badge.svg)](https://github.com/nanmu42/etherscan-api/actions)
 [![codecov](https://codecov.io/gh/nanmu42/etherscan-api/branch/master/graph/badge.svg)](https://codecov.io/gh/nanmu42/etherscan-api)
 [![Go Report Card](https://goreportcard.com/badge/github.com/nanmu42/etherscan-api)](https://goreportcard.com/report/github.com/nanmu42/etherscan-api)