Include drools-serialization-protobuf

Author: dacr

build.sbt

@@ -23,6 +23,7 @@ libraryDependencies ++= Seq(
  "org.drools" % "drools-compiler" % versions.drools,
  "org.drools" % "drools-decisiontables" % versions.drools,
  "org.drools" % "drools-templates" % versions.drools,
+ "org.drools" % "drools-serialization-protobuf" % versions.drools,
  "org.jbpm" % "jbpm-flow" % versions.drools,
  "org.jbpm" % "jbpm-bpmn2" % versions.drools,
  "org.slf4j" % "slf4j-api" % "1.7.30",