Update mdoc

Author: julianpeeters

README.md

@@ -64,7 +64,7 @@ import polynomial.morphism.~>
 type F[Y] = (Store[Boolean, _] ~> Monomial[Byte, Char, _])[Y]
 
 val M: Mermaid[F] = summon[Mermaid[F]]
-// M: Mermaid[F] = polynomial.mermaid.Mermaid$$anon$1@19f0b089
+// M: Mermaid[F] = polynomial.mermaid.Mermaid$$anon$1@6470dd67
 
 println(M.showTitledGraph(titleFmt = Format.Cardinal, graphFmt = Format.Specific))
 // ```mermaid

project/plugins.sbt

@@ -5,7 +5,7 @@ addSbtPlugin("org.scala-js"       % "sbt-scalajs"                   % "1.14.0")
 addSbtPlugin("org.scala-native"   % "sbt-scala-native"              % "0.4.16")
 
 // docs
-addSbtPlugin("org.scalameta"      % "sbt-mdoc"                      % "2.5.1")
+addSbtPlugin("org.scalameta"      % "sbt-mdoc"                      % "2.5.2")
 
 // publish
 addSbtPlugin("com.github.sbt"     % "sbt-ci-release"                % "1.5.12")