[CI] Optimize nightly CI (#3858)

### What this PR does / why we need it?
This patch optimize nightly CI:
1. Bug fixes ais_bench get None repo_type error
2. Fix A2 install kubectl error with arm arch
3. Fix the multi_node CI unable to determine whether the job was
successful error
### Does this PR introduce _any_ user-facing change?

### How was this patch tested?


- vLLM version: v0.11.0rc3
- vLLM main:
83f478bb19

---------

Signed-off-by: wangli <wangli858794774@gmail.com>

tests/e2e/nightly/multi_node/scripts/lws.yaml.jinja2

@@ -7,7 +7,7 @@ spec:
   replicas: {{ replicas | default(1) }}
   leaderWorkerTemplate:
     size: {{ size | default(2) }}
-    restartPolicy: RecreateGroupOnPodRestart
+    restartPolicy: None
     leaderTemplate:
       metadata:
         labels:
@@ -30,6 +30,10 @@ spec:
                 value: {{ vllm_ascend_remote_url | default("https://github.com/vllm-project/vllm-ascend.git") }}
               - name: RESULT_FILE_PATH
                 value: {{ result_file_path | default("/root/.cache/tests/ret/test_result.txt") }}
+              - name: CONTROLLER_NAME
+                value: {{ controller_name | default("placeholder") }}
+              - name: SECRET
+                value: {{ kb_secret | default("placeholder") }}
             command:
               - sh
               - -c