V3.1.0-beta2

dns-persist-01 now needs to be enabled via the profile configuration.

"Profiles": {
  "Dns-Persist-Profile": {
    "SupportedIdentifiers": [ "dns" ],

    "...": "..."

    "AllowedChallengeTypes": {
      "dns": [ "http-01", "dns-persist-01", "tls-alpn-01" ],
    },
}