Bump CI actions

Author: alexfmpe

.github/workflows/haskell.yml

@@ -12,12 +12,12 @@ jobs:
 
     name: GHC ${{ matrix.ghc }} on ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v3
-    - uses: haskell/actions/setup@v2
+    - uses: actions/checkout@v4
+    - uses: haskell-actions/setup@v2
       with:
         ghc-version: ${{ matrix.ghc }}
     - name: Cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       env:
         cache-name: cache-cabal
       with: