gha: use same approach for redis container start

This makes the orquesta workflow consistent with ci workflow
changes added in #6245

.github/workflows/orquesta-integration-tests.yaml

@@ -82,21 +82,18 @@ jobs:
           - 5672:5672/tcp   # AMQP standard port
           - 15672:15672/tcp # Management: HTTP, CLI
 
-      # Used for the coordination backend for integration tests
-      # NOTE: To speed things up, we only start redis for integration tests
-      # where it's needed
-      # redis:
-      #   # Docker Hub image
-      #   image: redis
-      #   # Set health checks to wait until redis has started
-      #   options: >-
-      #     --name "redis"
-      #     --health-cmd "redis-cli ping"
-      #     --health-interval 10s
-      #     --health-timeout 5s
-      #     --health-retries 5
-      #   ports:
-      #     - 6379:6379/tcp
+      redis:
+        # Docker Hub image
+        image: redis
+        # Set health checks to wait until redis has started
+        options: >-
+          --name "redis"
+          --health-cmd "redis-cli ping"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        ports:
+          - 6379:6379/tcp
 
     env:
       TASK: '${{ matrix.task }}'
@@ -147,11 +144,6 @@ jobs:
           cp conf/st2.dev.conf "${ST2_CONF}" ; sed -i -e "s/stanley/${ST2_CI_USER}/" "${ST2_CONF}"
 
           sudo -E ./scripts/ci/add-itest-user-key.sh
-      - name: Run Redis Service Container
-        timeout-minutes: 2
-        run: |
-          docker run --rm --detach -p 127.0.0.1:6379:6379/tcp --name redis redis:latest
-          until [ "$(docker inspect -f {{.State.Running}} redis)" == "true" ]; do sleep 0.1; done
       - name: Permissions Workaround
         run: |
           echo "$ST2_CI_REPO_PATH"
@@ -194,9 +186,6 @@ jobs:
           name: logs-py${{ matrix.python-version }}
           path: logs.tar.gz
           retention-days: 7
-      - name: Stop Redis Service Container
-        if: "${{ always() }}"
-        run: docker rm --force redis || true
 
   slack-notification:
     name: Slack notification for failed master builds