Update actions/checkout action to v4

Author: renovate[bot]

.github/workflows/lint.yml

@@ -8,7 +8,7 @@ jobs:
         # https://nodejs.org/en/about/releases/
         node-version: ['16', '18', '20']
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
     - uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}