Upgrade gradle-script-kotlin {0.9.0 => 0.9.1}
Upgrade gradle-script-kotlin {0.9.0 => 0.9.1}

Including the change to extend `AbstractPluginServiceRegistry` instead
of `PluginServiceRegistry`.

See #2054

lsmaira/gradle,gstevey/gradle,blindpirate/gradle,gradle/gradle,lsmaira/gradle,gstevey/gradle,robinverduijn/gradle,lsmaira/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,gradle/gradle,gradle/gradle,blindpirate/gradle,robinverduijn/gradle,gstevey/gradle,gstevey/gradle,gstevey/gradle,robinverduijn/gradle,robinverduijn/gradle,robinverduijn/gradle,lsmaira/gradle,gstevey/gradle,robinverduijn/gradle,lsmaira/gradle,gradle/gradle,lsmaira/gradle,blindpirate/gradle,blindpirate/gradle,robinverduijn/gradle,blindpirate/gradle,robinverduijn/gradle,lsmaira/gradle,gradle/gradle,gradle/gradle,gradle/gradle,lsmaira/gradle,blindpirate/gradle,blindpirate/gradle,lsmaira/gradle,lsmaira/gradle,robinverduijn/gradle,gstevey/gradle,blindpirate/gradle,gstevey/gradle,robinverduijn/gradle,gstevey/gradle,robinverduijn/gradle,gradle/gradle,gradle/gradle