Merge pull request #5809 from cabalism/link/badges-to-actions

Link to unit tests and integration tests.

Author: mpilgrem

README.md

@@ -1,7 +1,7 @@
 ## The Haskell Tool Stack
 
-![Unit tests](https://github.com/commercialhaskell/stack/workflows/Unit%20tests/badge.svg)
-![Integration tests](https://github.com/commercialhaskell/stack/workflows/Integration%20tests/badge.svg)
+[![Unit tests](https://github.com/commercialhaskell/stack/workflows/Unit%20tests/badge.svg)](https://github.com/commercialhaskell/stack/actions/workflows/unit-tests.yml)
+[![Integration tests](https://github.com/commercialhaskell/stack/workflows/Integration%20tests/badge.svg)](https://github.com/commercialhaskell/stack/actions/workflows/integration-tests.yml)
 [![Release](https://img.shields.io/github/release/commercialhaskell/stack.svg)](https://github.com/commercialhaskell/stack/releases)
 
 Stack is a cross-platform program for developing Haskell projects. It is intended for Haskellers both new and experienced.