Excavator: Upgrades Baseline to the latest version (#659)

Author: svc-excavator-bot

build.gradle

@@ -11,7 +11,7 @@ buildscript {
         classpath 'com.gradle.publish:plugin-publish-plugin:0.10.1'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.4'
         classpath 'com.netflix.nebula:nebula-publishing-plugin:14.0.0'
-        classpath 'com.palantir.baseline:gradle-baseline-java:2.21.0'
+        classpath 'com.palantir.baseline:gradle-baseline-java:2.23.0'
         classpath 'de.undercouch:gradle-download-task:3.4.3'
         classpath 'com.palantir.gradle.gitversion:gradle-git-version:0.12.2'
         classpath 'gradle.plugin.org.inferred:gradle-processors:3.1.0'