[platform]: add migration for kube-rbac-proxy daemonset (#830)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **Chores**
- Introduced a migration script to update monitoring resources, ensuring
refreshed configurations and pod restarts for improved system stability.
	- Updated installer version tracking to support the latest migration.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

scripts/installer.sh

@@ -3,7 +3,7 @@ set -o pipefail
 set -e
 
 BUNDLE=$(set -x; kubectl get configmap -n cozy-system cozystack -o 'go-template={{index .data "bundle-name"}}')
-VERSION=10
+VERSION=12
 
 run_migrations() {
   if ! kubectl get configmap -n cozy-system cozystack-version; then

scripts/migrations/11

@@ -0,0 +1,18 @@
+#!/bin/sh
+# Migration 11 --> 12
+
+# Recreate daemonset kube-rbac-proxy
+
+if kubectl get daemonset kube-rbac-proxy -n cozy-monitoring; then
+  kubectl delete daemonset kube-rbac-proxy --cascade=orphan -n cozy-monitoring
+fi
+
+if kubectl get helmrelease monitoring-agents -n cozy-monitoring; then
+  timestamp=$(date --rfc-3339=ns)
+  kubectl annotate helmrelease monitoring-agents -n cozy-monitoring \
+    reconcile.fluxcd.io/forceAt="$timestamp" \
+    reconcile.fluxcd.io/requestedAt="$timestamp" \
+    --overwrite
+fi
+
+kubectl delete pods -l app.kubernetes.io/component=kube-rbac-proxy -n cozy-monitoring