Removed deprecated sbt-prompt plugin (#922)

Co-authored-by: Matěj Černý <matej.cerny@budgetbakers.com>

build.sbt

@@ -1,5 +1,3 @@
-import com.scalapenos.sbt.prompt.SbtPrompt.autoImport._
-import com.scalapenos.sbt.prompt._
 import Dependencies._
 import microsites.ExtraMdFileConfig
 
@@ -21,13 +19,6 @@ ThisBuild / developers         := List(
 
 publish / skip := true
 
-promptTheme := PromptTheme(
-  List(
-    text("[sbt] ", fg(105)),
-    text(_ => "fs2-rabbit", fg(15)).padRight(" λ ")
-  )
-)
-
 def scalaOptions(v: String) =
   CrossVersion.partialVersion(v) match {
     case Some((2, 13)) => List.empty[String]

project/plugins.sbt

@@ -1,11 +1,10 @@
 resolvers += Classpaths.sbtPluginReleases
 resolvers += "Typesafe Repository" at "https://repo.typesafe.com/typesafe/releases/"
 
-addSbtPlugin("com.github.sbt"    % "sbt-ci-release"  % "1.5.10")
+addSbtPlugin("com.github.sbt"    % "sbt-ci-release"  % "1.5.12")
 addSbtPlugin("de.heikoseeberger" % "sbt-header"      % "5.10.0")
-addSbtPlugin("com.47deg"         % "sbt-microsites"  % "1.3.4")
-addSbtPlugin("org.scalameta"     % "sbt-mdoc"        % "2.3.8")
-addSbtPlugin("com.scalapenos"    % "sbt-prompt"      % "1.0.2")
+addSbtPlugin("com.47deg"         % "sbt-microsites"  % "1.4.4")
+addSbtPlugin("org.scalameta"     % "sbt-mdoc"        % "2.5.2")
 addSbtPlugin("org.scalameta"     % "sbt-scalafmt"    % "2.5.2")
 addSbtPlugin("org.typelevel"     % "sbt-tpolecat"    % "0.5.0")
 addSbtPlugin("com.timushev.sbt"  % "sbt-updates"     % "0.6.4")