update codedov token

Author: ablaom

README.md

@@ -4,6 +4,6 @@ Repository implementing [MLJ](https://alan-turing-institute.github.io/MLJ.jl/dev
 
 
 [![Build Status](https://github.com/JuliaAI/MLJClusteringInterface.jl/workflows/CI/badge.svg)](https://github.com/JuliaAI/MLJClusteringInterface.jl/actions)
-[![Coverage](http://codecov.io/github/JuliaAI/MLJClusteringInterface.jl/coverage.svg?branch=master)](https://codecov.io/gh/JuliaAI/MLJClusteringInterface.jl)
+[![codecov](https://codecov.io/gh/JuliaAI/MLJClusteringInterface.jl/graph/badge.svg?token=J92C1VF312)](https://codecov.io/gh/JuliaAI/MLJClusteringInterface.jl)
 [![Code Style: Blue](https://img.shields.io/badge/code%20style-blue-4495d1.svg)](https://github.com/invenia/BlueStyle)