Update GitHub Actions workflow to use actions/checkout@v3 for consistency across deployment jobs

.github/workflows/deploy.yml

@@ -11,12 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Set up Docker
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y docker.io
+        uses: actions/checkout@v3
 
       - name: Login to Docker Hub
         run: echo "${{ secrets.DOCKERHUB_TOKEN }}" | docker login -u "${{ secrets.DOCKERHUB_USERNAME }}" --password-stdin
@@ -44,7 +39,7 @@ jobs:
     environment: production
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
 
       - name: Setup SSH key
         run: |