Merge pull request #169 from frankban/dependabot/github_actions/actio…

…ns/checkout-4

Bump actions/checkout from 3 to 4

.github/workflows/ci.yaml

@@ -9,7 +9,7 @@ jobs:
         go: ['1.13', '1.14', '1.15', '1.16', '1.17', '1.18', '1.19', '1.20']
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-go@v4
       with:
         go-version: ${{ matrix.go }}