Merge pull request #22 from pnerg/update/sbt-sonatype-3.9.21

other: update sbt-sonatype from 3.9.17 to 3.9.21

Author: pnerg

project/plugins.sbt

@@ -1,5 +1,5 @@
 logLevel := Level.Warn
 
 addSbtPlugin("io.crashbox" % "sbt-gpg" % "0.2.1")
-addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "3.9.17")
+addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "3.9.21")
 addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.0.7")