update build workflow.

.github/workflows/build.yml

@@ -23,9 +23,9 @@ jobs:
         uses: actions/checkout@v4
       - 
         name: Setup Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
-          node-version: '20'
+          node-version: '20.x'
           cache: 'npm'
           cache-dependency-path: ./client/package-lock.json
       - 
@@ -36,7 +36,7 @@ jobs:
         run: cd ./client && npm run build
       - 
         name: Upload artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: client
           path: ./client/dist
@@ -54,7 +54,7 @@ jobs:
         uses: actions/checkout@v4
       - 
         name: Download client artifact
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: client
           path: ./client/dist
@@ -94,7 +94,7 @@ jobs:
           password: ${{ secrets.DOCKER_TOKEN }}
       - 
         name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           # Turns out the build-push-action runs in a "GitHub" context by default.
           # At the very least, it means pulling down your repository as part of pre-Dockerfile command.