Use docker login action

Author: Simon Dumas

.github/workflows/ci-delta-plugins.yml

@@ -38,9 +38,11 @@ jobs:
           sudo echo "127.0.0.1 bucket.my-domain.com" | sudo tee -a /etc/hosts
           sudo echo "127.0.0.1 bucket2.my-domain.com" | sudo tee -a /etc/hosts
           sudo echo "127.0.0.1 bucket3.my-domain.com" | sudo tee -a /etc/hosts
-      - name: Unit tests
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_PASS }}
+      - name: Run unit tests
         run: |
-          echo ${{ secrets.DOCKER_PASS }} | docker login --username ${{ secrets.DOCKER_USER }} --password-stdin
-          sbt -Dsbt.color=always -Dsbt.supershell=false \
-            clean \
-            plugins-unit-tests-with-coverage
+          sbt -Dsbt.color=always -Dsbt.supershell=false clean plugins-unit-tests-with-coverage