define build's own reproducible outputTimestamp (instead of inheriting)
diff --git a/pom.xml b/pom.xml
index b6fa816..4536b6d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -892,6 +892,7 @@
<mavenPluginToolsVersion>3.5.2</mavenPluginToolsVersion>
<!-- don't fail check for some rules that are too hard to enforce (could even be told broken for some) -->
<checkstyle.violation.ignore>RedundantThrows,NewlineAtEndOfFile,ParameterNumber,MethodLength,FileLength</checkstyle.violation.ignore>
+ <project.build.outputTimestamp>2020-01-15T22:27:56Z</project.build.outputTimestamp>
</properties>
<dependencyManagement>