fix(container): update image registry.k8s.io/kubectl to v1.31.2

[renovate]

This PR contains the following updates:

Package	Update	Change
registry.k8s.io/kubectl	patch	v1.31.1 -> v1.31.2

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[github-actions]

--- kubernetes/apps/kube-system/system-upgrade-controller/app Kustomization: flux-system/system-upgrade-controller HelmRelease: kube-system/system-upgrade-controller

+++ kubernetes/apps/kube-system/system-upgrade-controller/app Kustomization: flux-system/system-upgrade-controller HelmRelease: kube-system/system-upgrade-controller

@@ -40,13 +40,13 @@

                   fieldRef:
                     fieldPath: metadata.namespace
               SYSTEM_UPGRADE_CONTROLLER_THREADS: 2
               SYSTEM_UPGRADE_JOB_ACTIVE_DEADLINE_SECONDS: 900
               SYSTEM_UPGRADE_JOB_BACKOFF_LIMIT: 99
               SYSTEM_UPGRADE_JOB_IMAGE_PULL_POLICY: IfNotPresent
-              SYSTEM_UPGRADE_JOB_KUBECTL_IMAGE: registry.k8s.io/kubectl:v1.31.1
+              SYSTEM_UPGRADE_JOB_KUBECTL_IMAGE: registry.k8s.io/kubectl:v1.31.2
               SYSTEM_UPGRADE_JOB_PRIVILEGED: true
               SYSTEM_UPGRADE_JOB_TTL_SECONDS_AFTER_FINISH: 900
               SYSTEM_UPGRADE_PLAN_POLLING_INTERVAL: 15m
             image:
               repository: docker.io/rancher/system-upgrade-controller
               tag: v0.13.4

[github-actions]

--- HelmRelease: kube-system/system-upgrade-controller Deployment: kube-system/system-upgrade-controller

+++ HelmRelease: kube-system/system-upgrade-controller Deployment: kube-system/system-upgrade-controller

@@ -70,13 +70,13 @@

           value: '900'
         - name: SYSTEM_UPGRADE_JOB_BACKOFF_LIMIT
           value: '99'
         - name: SYSTEM_UPGRADE_JOB_IMAGE_PULL_POLICY
           value: IfNotPresent
         - name: SYSTEM_UPGRADE_JOB_KUBECTL_IMAGE
-          value: registry.k8s.io/kubectl:v1.31.1
+          value: registry.k8s.io/kubectl:v1.31.2
         - name: SYSTEM_UPGRADE_JOB_PRIVILEGED
           value: 'true'
         - name: SYSTEM_UPGRADE_JOB_TTL_SECONDS_AFTER_FINISH
           value: '900'
         - name: SYSTEM_UPGRADE_PLAN_POLLING_INTERVAL
           value: 15m