Explicitly set a job timeout

.gitlab-ci.yml

@@ -11,6 +11,7 @@ include: "https://git.autistici.org/pipelines/containers/raw/master/common.yml"
 test:
   stage: container-test
   image: registry.git.autistici.org/pipelines/images/test/float-podman-runner:master
+  timeout: 30m
   services:
     - name: docker.io/library/memcached:alpine
       alias: memcache