Update the project.build.outputTimestamp property

Author: asf-rm

pom.xml

@@ -154,7 +154,7 @@
          2. This value is employed in various places while creating the distribution
          To mitigate these, we define a *dummy* value here and let the CI replace it during a release.
          Hence, *DO NOT MANUALLY EDIT THIS VALUE*! -->
-    <project.build.outputTimestamp>2023-12-11T08:39:02Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2023-12-18T12:22:03Z</project.build.outputTimestamp>
 
     <!-- target Java 8 -->
     <maven.compiler.source>8</maven.compiler.source>