Update sbt-sonatype to 3.9.7

Author: scala-steward

project/plugins.sbt

@@ -7,7 +7,7 @@ addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.8.1")
 addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.0")
 addSbtPlugin("com.typesafe.sbt" % "sbt-git" % "1.0.0")
 addSbtPlugin("com.github.tkawachi" % "sbt-doctest" % "0.9.9")
-addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "3.9.6")
+addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "3.9.7")
 addSbtPlugin("com.47deg" % "sbt-microsites" % "1.3.2")
 addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.2.18")
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.0.0")