Fix deploy build (#1798)

* Fix issue where the DeployJob and GithubRelease jobs download
  artifacts using a glob that only matches one artifact
* Make NativeImageBuild task only produce outputs as declared by build;
  ensure there's no build_artifacts.txt, sources/ dir, etc.

.github/jobs/BuildJavaExecutableJob.pkl

@@ -25,7 +25,7 @@ steps {
   (catalog.`actions/upload-artifact@v5`) {
     name = "Upload executable artifacts"
     with {
-      name = "executable-java"
+      name = "deploy-artifacts-java-executables"
       path = "*/build/executable/**/*"
     }
   }