Update GitHub Actions badge link to haskell-ci.yml

Author: moodmosaic

README.md

@@ -112,7 +112,7 @@ As you explore haskell-hedgehog, and possibly contribute to its ongoing developm
  [hackage]: http://hackage.haskell.org/package/hedgehog
  [hackage-shield]: https://img.shields.io/hackage/v/hedgehog.svg?style=flat
 
- [github-shield]: https://github.com/hedgehogqa/haskell-hedgehog/actions/workflows/ci.yaml/badge.svg
+ [github-shield]: https://github.com/hedgehogqa/haskell-hedgehog/actions/workflows/haskell-ci.yml/badge.svg
  [github-ci]: https://github.com/hedgehogqa/haskell-hedgehog/actions/workflows/haskell-ci.yml
 
  [haddock-hedgehog]: http://hackage.haskell.org/package/hedgehog/docs/Hedgehog.html