Merge pull request #50 from gitetsu/renovate/actions-checkout-4.x

⬆️ Update actions/checkout action to v4

Author: gitetsu

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
   format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Prepare stylua
         run: |
           curl -Lo /tmp/stylua-linux.zip https://github.com/JohnnyMorganz/StyLua/releases/download/v${STYLUA_VERSION}/stylua-linux.zip