[pom] Add project build output timestamp for reproducible builds

Author: hazendaz

pom.xml

@@ -77,6 +77,9 @@
   <properties>
     <clirr.comparisonVersion>1.1.2</clirr.comparisonVersion>
     <module.name>org.mybatis.scripting.freemarker</module.name>
+
+    <!-- Reproducible Builds -->
+    <project.build.outputTimestamp>1757561022</project.build.outputTimestamp>
   </properties>
 
   <dependencies>