Wait for the redis service health check in CI

.gitea/workflows/ci.yml

@@ -14,6 +14,12 @@ jobs:
     services:
       redis:
         image: redis:4.0
+        options: >-
+          --health-cmd "redis-cli ping"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 10
+          --health-start-period 5s
     env:
       REDIS_HOST: redis
     steps: