feat(container): update image docker.io/library/alpine ( 3.20 → 3.21 )

[lab-assistant]

This PR contains the following updates:

Package	Update	Change
docker.io/library/alpine	minor	3.20 -> 3.21

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[lab-assistant]

--- kubernetes/main/apps/system/fstrim/app Kustomization: flux-system/fstrim HelmRelease: system/fstrim

+++ kubernetes/main/apps/system/fstrim/app Kustomization: flux-system/fstrim HelmRelease: system/fstrim

@@ -30,13 +30,13 @@

               nsenter --mount=/host/proc/$(pidof /usr/local/bin/kubelet)/ns/mnt --net=/host/proc/$(pidof /usr/local/bin/kubelet)/ns/net -- sh -c "fstrim -v --quiet-unsupported -I /tmp/fs.txt"
             command:
             - /bin/sh
             - -c
             image:
               repository: docker.io/library/alpine
-              tag: '3.20'
+              tag: '3.21'
             probes:
               liveness:
                 enabled: false
               readiness:
                 enabled: false
               startup:

[lab-assistant]

--- HelmRelease: system/fstrim CronJob: system/fstrim

+++ HelmRelease: system/fstrim CronJob: system/fstrim

@@ -46,13 +46,13 @@

             - |
               nsenter --mount=/host/proc/$(pidof /usr/local/bin/kubelet)/ns/mnt --net=/host/proc/$(pidof /usr/local/bin/kubelet)/ns/net -- sh -c "cat /proc/self/mountinfo | grep -v kubelet | grep -v tmpfs | grep -v overlay > /tmp/fs.txt"
               nsenter --mount=/host/proc/$(pidof /usr/local/bin/kubelet)/ns/mnt --net=/host/proc/$(pidof /usr/local/bin/kubelet)/ns/net -- sh -c "fstrim -v --quiet-unsupported -I /tmp/fs.txt"
             command:
             - /bin/sh
             - -c
-            image: docker.io/library/alpine:3.20
+            image: docker.io/library/alpine:3.21
             name: app
             resources:
               limits:
                 memory: 128Mi
               requests:
                 cpu: 25m