feat(alertmanager): add PVC for silences persistance to the v.12.0.1-…#140

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v12.0.1-manual-branchcamptocamp/devops-stack-module-kube-prometheus-stack:v12.0.1-manual-branchfrom

v12.0.1-manual-branch-alertmanager-persistancecamptocamp/devops-stack-module-kube-prometheus-stack:v12.0.1-manual-branch-alertmanager-persistanceCopy head branch name to clipboard