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

Author: renovate[bot]

.github/workflows/CI.yml

@@ -9,7 +9,7 @@ jobs:
       matrix:
         node-version: [18.x, 20.x]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4
         with:

.github/workflows/docker-image.yml

@@ -17,7 +17,7 @@ jobs:
       packages: write
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       # https://github.com/marketplace/actions/push-to-ghcr
       - name: Build and publish a Docker image for ${{ github.repository }}