build(deps): update compilerplugin, scalapb-runtime from 0.11.19 to 0.11.20

Author: scala-steward

project/plugins.sbt

@@ -5,4 +5,4 @@ addSbtPlugin("com.eed3si9n" % "sbt-projectmatrix" % "0.11.0")
 
 // Protobuf plugin and its dependencies
 addSbtPlugin("com.thesamet" % "sbt-protoc" % "1.0.8")
-libraryDependencies += "com.thesamet.scalapb" %% "compilerplugin" % "0.11.19"
+libraryDependencies += "com.thesamet.scalapb" %% "compilerplugin" % "0.11.20"