lang(edu): translate k8s manifest comments to English only

- restore-seed-job.yaml.example: translate runbook to English
- secrets.yaml.example: translate section headers to English
- webinar-checker.yaml: translate initContainer dependency-order comments to English

Co-authored-by: assistant

edu_master/k8s/webinar-checker.yaml

@@ -15,9 +15,9 @@ spec:
       labels:
         app: edu-master-webinar-checker
     spec:
+      # Enforces dependency order like compose depends_on:
+      # redis healthy -> session-keeper healthy (EXISTS EDU_PHPSESSID) -> playwright started
       initContainers:
-        # Держит порядок зависимостей как в compose depends_on:
-        # redis healthy -> session-keeper healthy (EXISTS EDU_PHPSESSID) -> playwright started
         - name: wait-deps
           image: redis:alpine
           command:
@@ -50,6 +50,9 @@ spec:
           envFrom:
             - secretRef:
                 name: edu-master-secrets
+          env:
+            - name: TZ
+              value: "Europe/Kyiv"
           resources:
             requests:
               cpu: 25m