Merge pull request #1738 from haskell-servant/dependabot/github_actions/actions/checkout-4

Bump actions/checkout from 2 to 4

Author: tchoutri

.github/workflows/master.yml

@@ -27,7 +27,7 @@ jobs:
     strategy:
       matrix: ${{ fromJSON(needs.generate-matrix.outputs.matrix) }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: haskell-actions/setup@v2
       id: setup-haskell-cabal
       name: Setup Haskell
@@ -96,7 +96,7 @@ jobs:
     runs-on: "ubuntu-latest"
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: cachix/install-nix-action@v20
       with:
         extra_nix_config: |