chore(deps): update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/tests.yml

@@ -10,7 +10,7 @@ jobs:
         node-version: [10.x, 12.x, 13.x, 14.x]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v4
       with: