Bump actions/checkout from 4 to 5 (#339)

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v4
@@ -52,7 +52,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v4