Update badges

They hadn't been fully adjsuted after the migration.

Author: andreasnoack

README.md

@@ -1,4 +1,6 @@
-# PRIMA [![Build Status](https://github.com/libprima/PRIMA.jl/actions/workflows/CI.yml/badge.svg?branch=main)](https://github.com/emmt/PRIMA.jl/actions/workflows/CI.yml?query=branch%3Amain) [![Build Status](https://ci.appveyor.com/api/projects/status/github/emmt/PRIMA.jl?svg=true)](https://ci.appveyor.com/project/emmt/PRIMA-jl) [![Coverage](https://codecov.io/gh/emmt/PRIMA.jl/branch/main/graph/badge.svg)](https://codecov.io/gh/emmt/PRIMA.jl)
+# PRIMA
+[![Build Status](https://github.com/libprima/PRIMA.jl/actions/workflows/CI.yml/badge.svg?branch=main)](https://github.com/libprima/PRIMA.jl/actions/workflows/CI.yml?query=branch%3Amain)
+[![Coverage](https://codecov.io/gh/libprima/PRIMA.jl/branch/main/graph/badge.svg)](https://codecov.io/gh/libprima/PRIMA.jl)
 
 This package is a Julia interface to the [PRIMA
 library](https://github.com/libprima/prima), a *Reference Implementation for