Merge pull request #6 from dmachard/dependabot/github_actions/actions…

…/checkout-4

Bump actions/checkout from 3 to 4

.github/workflows/testing.yml

@@ -17,7 +17,7 @@ jobs:
         go-version: [ '1.16', '1.17', '1.18', '1.19', '1.20' ]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-go@v3
       with:
         go-version: ${{ matrix.go-version }}