Update sbt-mdoc to 2.2.14

Author: 47erbot

project/plugins.sbt

@@ -6,6 +6,6 @@ addSbtPlugin("com.alejandrohdezma" % "sbt-github-header"        % "0.9.0")
 addSbtPlugin("com.alejandrohdezma" % "sbt-github-mdoc"          % "0.9.0")
 addSbtPlugin("com.alejandrohdezma" % "sbt-remove-test-from-pom" % "0.1.0")
 addSbtPlugin("org.tpolecat"        % "tut-plugin"               % "0.6.13")
-addSbtPlugin("org.scalameta"       % "sbt-mdoc"                 % "2.2.12")
+addSbtPlugin("org.scalameta"       % "sbt-mdoc"                 % "2.2.14")
 addSbtPlugin("com.typesafe.sbt"    % "sbt-ghpages"              % "0.6.3")
 addSbtPlugin("com.typesafe.sbt"    % "sbt-site"                 % "1.4.1")