add build badge

Author: GrantBirki

README.md

@@ -1,6 +1,6 @@
 # entitlements-github-plugin
 
-[![acceptance](https://github.com/github/entitlements-github-plugin/actions/workflows/acceptance.yml/badge.svg)](https://github.com/github/entitlements-github-plugin/actions/workflows/acceptance.yml) [![test](https://github.com/github/entitlements-github-plugin/actions/workflows/test.yml/badge.svg)](https://github.com/github/entitlements-github-plugin/actions/workflows/test.yml) [![lint](https://github.com/github/entitlements-github-plugin/actions/workflows/lint.yml/badge.svg)](https://github.com/github/entitlements-github-plugin/actions/workflows/lint.yml) [![release](https://github.com/github/entitlements-github-plugin/actions/workflows/release.yml/badge.svg)](https://github.com/github/entitlements-github-plugin/actions/workflows/release.yml) [![coverage](https://img.shields.io/badge/coverage-100%25-success)](https://img.shields.io/badge/coverage-100%25-success) [![style](https://img.shields.io/badge/code%20style-rubocop--github-blue)](https://github.com/github/rubocop-github)
+[![acceptance](https://github.com/github/entitlements-github-plugin/actions/workflows/acceptance.yml/badge.svg)](https://github.com/github/entitlements-github-plugin/actions/workflows/acceptance.yml) [![test](https://github.com/github/entitlements-github-plugin/actions/workflows/test.yml/badge.svg)](https://github.com/github/entitlements-github-plugin/actions/workflows/test.yml) [![lint](https://github.com/github/entitlements-github-plugin/actions/workflows/lint.yml/badge.svg)](https://github.com/github/entitlements-github-plugin/actions/workflows/lint.yml) [![release](https://github.com/github/entitlements-github-plugin/actions/workflows/release.yml/badge.svg)](https://github.com/github/entitlements-github-plugin/actions/workflows/release.yml) [![build](https://github.com/github/entitlements-github-plugin/actions/workflows/build.yml/badge.svg)](https://github.com/github/entitlements-github-plugin/actions/workflows/build.yml) [![coverage](https://img.shields.io/badge/coverage-100%25-success)](https://img.shields.io/badge/coverage-100%25-success) [![style](https://img.shields.io/badge/code%20style-rubocop--github-blue)](https://github.com/github/rubocop-github)
 
 `entitlements-github-plugin` is an [entitlements-app](https://github.com/github/entitlements-app) plugin allowing entitlements configs to be used to manage membership of GitHub.com Organizations and Teams.