fix(k3s): bump HelmRelease chart versions across multiple components for stability and feature updates

flux/infrastructure/infra-devops/helmrelease-cert-manager.yaml

@@ -14,7 +14,7 @@ spec:
   chart:
     spec:
       chart: cert-manager
-      version: v1.19.3
+      version: v1.20.2
       sourceRef:
         kind: HelmRepository
         name: jetstack