Upgrade javafmt to 0.9.0 (#152)

Author: mkurz

project/plugins.sbt

@@ -1,3 +1,3 @@
 addSbtPlugin("com.github.sbt" % "sbt-github-actions" % "0.25.0")
 addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.9.3")
-addSbtPlugin("com.lightbend.sbt" % "sbt-java-formatter" % "0.8.0")
+addSbtPlugin("com.github.sbt" % "sbt-java-formatter" % "0.9.0")