Update sbt-ci-release to 1.5.10

Author: 47erbot

project/plugins.sbt

@@ -1,5 +1,5 @@
 addSbtPlugin("org.scala-exercises" % "sbt-exercise"             % "0.6.7")
-addSbtPlugin("com.github.sbt"      % "sbt-ci-release"           % "1.5.9")
+addSbtPlugin("com.github.sbt"      % "sbt-ci-release"           % "1.5.10")
 addSbtPlugin("org.scalameta"       % "sbt-mdoc"                 % "2.2.23")
 addSbtPlugin("org.scalameta"       % "sbt-scalafmt"             % "2.4.3")
 addSbtPlugin("de.heikoseeberger"   % "sbt-header"               % "5.6.0")