Fix the documentation badge (#545)

* replace latest badge with dev badge

* Fix CI badges in README.md

Co-authored-by: Michael Abbott <[email protected]>

Co-authored-by: Michael Abbott <[email protected]>

Author: hyrodium

README.md

@@ -1,7 +1,8 @@
-![CI](https://github.com/JuliaDiff/ForwardDiff.jl/workflows/CI/badge.svg) [![Coverage Status](https://coveralls.io/repos/JuliaDiff/ForwardDiff.jl/badge.svg?branch=master&service=github)](https://coveralls.io/github/JuliaDiff/ForwardDiff.jl?branch=master)
+[![CI](https://github.com/JuliaDiff/ForwardDiff.jl/workflows/CI/badge.svg)](https://github.com/JuliaDiff/ForwardDiff.jl/actions/workflows/ci.yml)
+[![Coverage Status](https://coveralls.io/repos/JuliaDiff/ForwardDiff.jl/badge.svg?branch=master&service=github)](https://coveralls.io/github/JuliaDiff/ForwardDiff.jl?branch=master)
 
 [![](https://img.shields.io/badge/docs-stable-blue.svg)](https://juliadiff.org/ForwardDiff.jl/stable)
-[![](https://img.shields.io/badge/docs-latest-blue.svg)](https://juliadiff.org/ForwardDiff.jl/latest)
+[![](https://img.shields.io/badge/docs-dev-blue.svg)](https://juliadiff.org/ForwardDiff.jl/dev)
 
 # ForwardDiff.jl