Use @v4 actions to avoid warnings. Some tweaks to the build matrix.

Author: svenpanne

.github/workflows/haskell-ci.yml

@@ -1,6 +1,6 @@
 # This GitHub workflow config has been generated by a script via
 #
-#   haskell-ci 'github' 'StateVar.cabal' '--output=.github/workflows/haskell-ci.yml'
+#   haskell-ci 'github' 'StateVar.cabal' '--distribution=focal' '--output=.github/workflows/haskell-ci.yml'
 #
 # To regenerate the script (for example after adjusting tested-with) run
 #
@@ -10,7 +10,7 @@
 #
 # version: 0.17.20240109
 #
-# REGENDATA ("0.17.20240109",["github","StateVar.cabal","--output=.github/workflows/haskell-ci.yml"])
+# REGENDATA ("0.17.20240109",["github","StateVar.cabal","--distribution=focal","--output=.github/workflows/haskell-ci.yml"])
 #
 name: Haskell-CI
 on:
@@ -23,7 +23,7 @@ jobs:
     timeout-minutes:
       60
     container:
-      image: buildpack-deps:bionic
+      image: buildpack-deps:focal
     continue-on-error: ${{ matrix.allow-failure }}
     strategy:
       matrix:
@@ -88,16 +88,6 @@ jobs:
             compilerVersion: 7.10.3
             setup-method: hvr-ppa
             allow-failure: false
-          - compiler: ghc-7.8.4
-            compilerKind: ghc
-            compilerVersion: 7.8.4
-            setup-method: hvr-ppa
-            allow-failure: false
-          - compiler: ghc-7.6.3
-            compilerKind: ghc
-            compilerVersion: 7.6.3
-            setup-method: hvr-ppa
-            allow-failure: false
           - compiler: ghc-7.4.2
             compilerKind: ghc
             compilerVersion: 7.4.2
@@ -217,7 +207,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: source
       - name: initial cabal.project for sdist
@@ -253,7 +243,7 @@ jobs:
           $CABAL v2-build $ARG_COMPILER $ARG_TESTS $ARG_BENCH --dry-run all
           cabal-plan
       - name: restore cache
-        uses: actions/cache/restore@v3
+        uses: actions/cache/restore@v4
         with:
           key: ${{ runner.os }}-${{ matrix.compiler }}-${{ github.sha }}
           path: ~/.cabal/store
@@ -280,7 +270,7 @@ jobs:
           rm -f cabal.project.local
           $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks all
       - name: save cache
-        uses: actions/cache/save@v3
+        uses: actions/cache/save@v4
         if: always()
         with:
           key: ${{ runner.os }}-${{ matrix.compiler }}-${{ github.sha }}

StateVar.cabal

@@ -17,17 +17,15 @@ description:
 build-type: Simple
 tested-with:
     GHC == 7.0.4
-    GHC == 7.10.3
     GHC == 7.2.2
     GHC == 7.4.2
-    GHC == 7.6.3
-    GHC == 7.8.4
+    GHC == 7.10.3
     GHC == 8.0.2
-    GHC == 8.10.7
     GHC == 8.2.2
     GHC == 8.4.4
     GHC == 8.6.5
     GHC == 8.8.4
+    GHC == 8.10.7
     GHC == 9.0.2
     GHC == 9.2.8
     GHC == 9.4.8