Use ghc-9.2.8 in CI.

Author: jorisdral

.github/workflows/haskell.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ghc: ["8.10.7", "9.2.7", "9.4.4", "9.6.1"]
+        ghc: ["8.10.7", "9.2.8", "9.4.4", "9.6.1"]
         cabal: ["3.8.1.0"]
         os: [ubuntu-latest, macos-latest, windows-latest]
 
@@ -153,7 +153,7 @@ jobs:
       uses: haskell/actions/setup@v2
       id: setup-haskell
       with:
-        ghc-version: 9.2.7
+        ghc-version: 9.2.8
         cabal-version: 3.8.1.0
 
     - name: "Setup cabal bin path"