`zombienet`, retry only on 'runner_system_failure' (#5882)

Only retry jobs on `runner_system_failure`.
Thx!

.gitlab/pipeline/zombienet.yml

 .zombienet-refs:
   extends: .build-refs
   variables:
-    ZOMBIENET_IMAGE: "docker.io/paritytech/zombienet:v1.3.110"
+    ZOMBIENET_IMAGE: "docker.io/paritytech/zombienet:v1.3.111"
     PUSHGATEWAY_URL: "http://zombienet-prometheus-pushgateway.managed-monitoring:9091/metrics/job/zombie-metrics"
     DEBUG: "zombie,zombie::network-node,zombie::kube::client::logs"
     ZOMBIE_PROVIDER: "k8s"

.gitlab/pipeline/zombienet/cumulus.yml

@@ -46,7 +46,9 @@
     paths:
       - ./zombienet-logs
   allow_failure: true
-  retry: 2
+  retry:
+    max: 1
+    when: runner_system_failure
   tags:
     - zombienet-polkadot-integration-test
 

.gitlab/pipeline/zombienet/parachain-template.yml

@@ -28,7 +28,9 @@
   after_script:
     - mkdir -p ./zombienet-logs
     - cp /tmp/zombie*/*/*.log ./zombienet-logs/
-  retry: 2
+  retry:
+    max: 1
+    when: runner_system_failure
   timeout: 20m
   tags:
     - linux-docker

.gitlab/pipeline/zombienet/polkadot.yml

@@ -72,7 +72,9 @@
   after_script:
     - mkdir -p ./zombienet-logs
     - cp /tmp/zombie*/logs/* ./zombienet-logs/
-  retry: 2
+  retry:
+    max: 1
+    when: runner_system_failure
   tags:
     - zombienet-polkadot-integration-test
 

.gitlab/pipeline/zombienet/substrate.yml

@@ -38,7 +38,9 @@
   after_script:
     - mkdir -p ./zombienet-logs
     - cp /tmp/zombie*/logs/* ./zombienet-logs/
-  retry: 2
+  retry:
+    max: 1
+    when: runner_system_failure
   tags:
     - zombienet-polkadot-integration-test