chore: Update GitHub Actions workflow to specify node version for cod…

…e checkout and Docker login (#37)

.github/workflows/pipeline.yml

@@ -16,12 +16,13 @@ jobs:
   build-and-deploy:
     # This is telling GitHub to run the workflow on the latest version of Ubuntu.
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [18.x, 20.x]
     steps:
       # Checkout the code from the GitHub repository
       - name: Checkout code
-        uses: actions/checkout@v2
-        with:
-          node-version: 20.x
+        uses: actions/checkout@v4
 
       # Install dependencies and run tests for the client application
       - name: Install Client
@@ -53,9 +54,7 @@ jobs:
 
       # Login to Docker Hub using credentials from repository secrets
       - name: Login to Docker Hub
-        uses: docker/login-action@v1
-        with:
-          node-version: 20.x
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}