*) mod_md:
     - Enabling ED25519 support and certificate transparency information when
       building with libressl v3.5.0 and newer. Thanks to Giovanni Bechis.
     - MDChallengeDns01 can now be configured for individual domains.
       Thanks to Jérôme Billiras (@bilhackmac) for the initial PR.
     - Fixed a bug found by Jérôme Billiras (@bilhackmac) that caused the challenge
       teardown not being invoked as it should.
     [Stefan Eissing]