[deps]: Update actions/checkout action to v4.2.1 (#50)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
         node-version: [20.x, 22.x]
 
     steps:
-    - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+    - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@0a44ba7841725637a19e28fa30b79a866c81b0a6 # v4.0.4
       with: