Update README.md

Author: almazrafi

README.md

@@ -1,6 +1,6 @@
 # URLQueryCoder
 [![Build Status](https://github.com/almazrafi/URLQueryCoder/workflows/CI/badge.svg?branch=main)](https://github.com/almazrafi/URLQueryCoder/actions)
-[![Codecov](https://codecov.io/gh/almazrafi/URLQueryCoder/branch/master/graph/badge.svg)](https://codecov.io/gh/almazrafi/URLQueryCoder)
+[![Codecov](https://codecov.io/gh/almazrafi/URLQueryCoder/branch/main/graph/badge.svg?token=DRFk9RWXWB)](https://codecov.io/gh/almazrafi/URLQueryCoder)
 [![Cocoapods](https://img.shields.io/cocoapods/v/URLQueryCoder.svg?style=flat)](http://cocoapods.org/pods/URLQueryCoder)
 [![Carthage compatible](https://img.shields.io/badge/Carthage-Compatible-brightgreen.svg?style=flat)](https://github.com/Carthage/Carthage)
 [![SPM compatible](https://img.shields.io/badge/SPM-Compatible-brightgreen.svg?style=flat)](https://swift.org/package-manager/)