Revert "Remove CI with GHC 9.4 for now"

This reverts commit 4992932.

Author: infinity0

.github/workflows/haskell-ci.yml

@@ -32,6 +32,11 @@ jobs:
     strategy:
       matrix:
         include:
+          - compiler: ghc-9.4.2
+            compilerKind: ghc
+            compilerVersion: 9.4.2
+            setup-method: ghcup
+            allow-failure: false
           - compiler: ghc-9.2.4
             compilerKind: ghc
             compilerVersion: 9.2.4

strict-containers-lens/strict-containers-lens.cabal

@@ -21,6 +21,7 @@ tested-with:
    || ==8.10.7
    || ==9.0.2
    || ==9.2.4
+   || ==9.4.2
 
 library
   default-language: Haskell2010

strict-containers-serialise/strict-containers-serialise.cabal

@@ -20,6 +20,7 @@ tested-with:
    || ==8.10.7
    || ==9.0.2
    || ==9.2.4
+   || ==9.4.2
 
 library
   default-language: Haskell2010

strict-containers-tests/strict-containers-tests.cabal

@@ -16,6 +16,7 @@ tested-with:
    || ==8.10.7
    || ==9.0.2
    || ==9.2.4
+   || ==9.4.2
 
 test-suite strictness-tests
   default-language: Haskell2010

strict-containers/strict-containers.cabal

@@ -64,6 +64,7 @@ tested-with:
    || ==8.10.7
    || ==9.0.2
    || ==9.2.4
+   || ==9.4.2
 
 library
   default-language: Haskell2010