Upgrade baseline to 2.452.4 (#263)

Author: jonesbusy

pom.xml

@@ -35,7 +35,7 @@
     <changelist>999999-SNAPSHOT</changelist>
     <gitHubRepo>jenkinsci/locale-plugin</gitHubRepo>
     <jenkins.baseline>2.452</jenkins.baseline>
-    <jenkins.version>${jenkins.baseline}.3</jenkins.version>
+    <jenkins.version>${jenkins.baseline}.4</jenkins.version>
     <spotless.check.skip>false</spotless.check.skip>
   </properties>
   <dependencyManagement>