Update dependency com.thesamet:sbt-protoc to v1.0.8

Author: renovate[bot]

project/plugins.sbt

@@ -5,7 +5,7 @@ addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.10.0")
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.6")
 addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.5.2")
 addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.12.0")
-addSbtPlugin("com.thesamet" % "sbt-protoc" % "1.0.6")
+addSbtPlugin("com.thesamet" % "sbt-protoc" % "1.0.8")
 addSbtPlugin("com.sourcegraph" % "sbt-sourcegraph" % "0.4.3")
 addSbtPlugin("com.lightbend.sbt" % "sbt-java-formatter" % "0.6.1")
 addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.3")