build(deps): bump actions/checkout from 4 to 6 (#134)

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Setup Go
       uses: actions/setup-go@v6
@@ -85,7 +85,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       name: Check out repository
 
     - uses: actions/setup-go@v6