ci: cram: increase timeout with 4 minutes

Last days we introduced new features and tests in the CI.
Because of that we are hitting now and then the maximum excecution time.

So let's increase the timeout from 40 to 44 minutes.

Signed-off-by: Matthias Franck <matthias.franck@softathome.com>

.gitlab/testbed.yml

@@ -1,7 +1,7 @@
 .testbed:
   stage: run
   image: "$CI_REGISTRY_IMAGE/$CI_DESIGNATED_BRANCH_SLUG/testbed:latest"
-  timeout: 40 minutes
+  timeout: 44 minutes
   rules:
     - if: '$CI_PIPELINE_SOURCE == "schedule"'
       when: never