Update sbt-dynver to 5.1.0 (#405)

Co-authored-by: Cédric Chantepie <cchantep@users.noreply.github.com>

Author: scala-steward

project/plugins.sbt

@@ -17,7 +17,7 @@ addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.2.2")
 
 addSbtPlugin("com.github.sbt" % "sbt-release" % "1.4.0")
 
-addSbtPlugin("com.github.sbt" % "sbt-dynver" % "5.0.1")
+addSbtPlugin("com.github.sbt" % "sbt-dynver" % "5.1.0")
 
 addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.13.0")