Update the project.build.outputTimestamp property

Author: asf-rm

pom.xml

@@ -316,7 +316,7 @@
          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>2024-08-31T18:22:26Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2024-08-31T18:29:13Z</project.build.outputTimestamp>
 
     <!-- ========================
          Site-specific properties