fixup!chore(github-action): build cnb image - remove host network, us…

…e link instead - use redis 6

.github/workflows/build-using-cnb-buildpack.yml

@@ -23,8 +23,7 @@ jobs:
     services:
       redis-service:
         # Docker Hub image
-        image: redis
-        container_name: redis-service
+        image: "redis:6"
         # Set health checks to wait until redis has started
         options: >-
           --health-cmd "redis-cli ping"