Merge pull request #6 from acilearning/2022-08-22-ghc-9.4.2

Upgrade to GHC 9.4.2

Author: tfausak

.github/workflows/workflow.yaml

@@ -7,7 +7,7 @@ jobs:
         include:
           - { ghc: 9.0.2, hls: 1.7.0.0 }
           - { ghc: 9.2.4, hls: '' }
-          - { ghc: 9.4.1, hls: '' }
+          - { ghc: 9.4.2, hls: '' }
     name: Docker with GHC ${{ matrix.ghc }}
     runs-on: ubuntu-latest
     steps:

LICENSE renamed to LICENSE.txt

@@ -7,3 +7,4 @@ This Docker image provides a Haskell development environment with the following
 - [Cabal](https://www.haskell.org/cabal/)
 - [Stack](https://docs.haskellstack.org/en/stable/README/)
 - [HLS](https://haskell-language-server.readthedocs.io/en/latest/)
+  - Note that HLS is not available for all versions of GHC.