feat: set max token life for auth_kubernetes_role

found kubernetes vaultauth resources never picking up new policies,
because they would infinitely renew their token.

- set default max token length for roles to 1 day
- changed all existing role token_max_ttl to match their token_ttl

modules/vault_cluster/variables.tf

@@ -83,6 +83,7 @@ variable "auth_kubernetes_role" {
     bound_service_account_names      = list(string)
     bound_service_account_namespaces = list(string)
     token_ttl                        = optional(number, 3600)
+    token_max_ttl                    = optional(number, 86400)
     audience                         = optional(string, "vault")
   }))
   default = {}