更新 GitHub Actions 工作流，将 Redis 服务名称更改为 redissss

.github/workflows/services-test.yaml

@@ -10,7 +10,7 @@ jobs:
   services-test:
     runs-on: ubuntu-latest
     services:
-      redis:
+      redissss:
         image: redis:alpine
         ports:
           - 6379:6379