doc: fix build status badge link (#455)

Co-authored-by: imbajin <[email protected]>

README.md

@@ -5,7 +5,6 @@
 [![Build Status](https://github.com/apache/hugegraph-toolchain/actions/workflows/loader-ci.yml/badge.svg)](https://github.com/apache/hugegraph-toolchain/actions/workflows/loader-ci.yml)
 [![Build Status](https://github.com/apache/hugegraph-toolchain/actions/workflows/hubble-ci.yml/badge.svg)](https://github.com/apache/hugegraph-toolchain/actions/workflows/hubble-ci.yml)
 [![Build Status](https://github.com/apache/hugegraph-toolchain/actions/workflows/tools-ci.yml/badge.svg)](https://github.com/apache/hugegraph-toolchain/actions/workflows/tools-ci.yml)
-[![codecov](https://codecov.io/gh/apache/hugegraph-toolchain/branch/master/graph/badge.svg)](https://codecov.io/gh/apache/hugegraph-toolchain)
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.apache.hugegraph/hugegraph-client/badge.svg)](https://mvnrepository.com/artifact/org.apache.hugegraph/hugegraph-client)
 
 `hugegraph-toolchain` is the integration project of a series of utilities for [HugeGraph](https://github.com/apache/hugegraph), it includes 4 main modules.

hugegraph-client/README.md

@@ -1,7 +1,7 @@
 # hugegraph-client
 
 [![License](https://img.shields.io/badge/license-Apache%202-0E78BA.svg)](https://www.apache.org/licenses/LICENSE-2.0.html)
-[![Build Status](https://travis-ci.org/hugegraph/hugegraph-client.svg?branch=master)](https://travis-ci.org/hugegraph/hugegraph-client)
+[![Build Status](https://github.com/apache/hugegraph-toolchain/actions/workflows/client-ci.yml/badge.svg)](https://github.com/apache/hugegraph-toolchain/actions/workflows/client-ci.yml)
 [![codecov](https://codecov.io/gh/hugegraph/hugegraph-client/branch/master/graph/badge.svg)](https://codecov.io/gh/hugegraph/hugegraph-client)
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.apache.hugegraph/hugegraph-client/badge.svg)](https://mvnrepository.com/artifact/org.apache.hugegraph/hugegraph-client)
 

hugegraph-loader/README.md

@@ -1,7 +1,7 @@
 # hugegraph-loader
 
 [![License](https://img.shields.io/badge/license-Apache%202-0E78BA.svg)](https://www.apache.org/licenses/LICENSE-2.0.html)
-[![Build Status](https://github.com/hugegraph/hugegraph-loader/actions/workflows/ci.yml/badge.svg)](https://github.com/hugegraph/hugegraph-loader/actions/workflows/ci.yml)
+[![Build Status](https://github.com/apache/hugegraph-toolchain/actions/workflows/loader-ci.yml/badge.svg)](https://github.com/apache/hugegraph-toolchain/actions/workflows/loader-ci.yml)
 [![codecov](https://codecov.io/gh/hugegraph/hugegraph-loader/branch/master/graph/badge.svg)](https://codecov.io/gh/hugegraph/hugegraph-loader)
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.apache.hugegraph/hugegraph-loader/badge.svg)](https://mvnrepository.com/artifact/org.apache.hugegraph/hugegraph-loader)