chore: make gh actions badge always point to master

Author: SimenB

README.md

@@ -1,6 +1,3 @@
-[![Actions Status](https://github.com/jest-community/eslint-plugin-jest/workflows/Unit%20tests/badge.svg)](https://github.com/jest-community/eslint-plugin-jest/actions)
-[![Renovate badge](https://badges.renovateapi.com/github/jest-community/eslint-plugin-jest)](https://renovatebot.com/)
-
 <div align="center">
   <a href="https://eslint.org/">
     <img width="150" height="150" src="https://eslint.org/assets/img/logo.svg">
@@ -12,6 +9,9 @@
   <p>ESLint plugin for Jest</p>
 </div>
 
+[![Actions Status](https://github.com/jest-community/eslint-plugin-jest/workflows/Unit%20tests/badge.svg?branch=master)](https://github.com/jest-community/eslint-plugin-jest/actions)
+[![Renovate badge](https://badges.renovateapi.com/github/jest-community/eslint-plugin-jest)](https://renovatebot.com/)
+
 ## Installation
 
 ```