* master:
  Add a section to the MySQL secrets plugin docs about x509 (#9757)
  Update documentation for MySQL Secrets Engine (#9671)
  Conditionally overwrite TLS parameters for MySQL secrets engine (#9729)
  Correctly mark Cassandra as not supporting static roles (#9750)
  changelog++
  pki: Allow to use not only one variable during templating in allowed_domains #8509 (#9498)
  agent/templates: update consul-template to v0.25.1 (#9626)
  Restoring the example policies for blocking sha1 (#9677)
  changelog++
  changelog++
  Document the new SSH signing algorithm option. (#9197)
  CHANGELOG-+
  CHANGELOG++
  Trail of bits 018 (#9674)