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/GithubRelease.pkl

@@ -14,7 +14,7 @@ fixed job {
   steps {
     (catalog.`actions/download-artifact@v6`) {
       with {
-        pattern = "executable-**"
+        pattern = "deploy-artifacts-**"
         `merge-multiple` = true
       }
     }
@@ -29,15 +29,12 @@ fixed job {
       // language=bash
       run =
         #"""
-        # exclude build_artifacts.txt from publish
-        rm -f */build/executable/*.build_artifacts.txt
-        find */build/executable/* -type d | xargs rm -rf
         gh release create ${TAG_NAME} \
           --title "${TAG_NAME}" \
           --target "${GIT_SHA}" \
           --verify-tag \
           --notes "Release notes: https://pkl-lang.org/main/current/release-notes/changelog.html#release-${TAG_NAME}" \
-          */build/executable/*
+          */build/executable/* */build/distributions/*
         """#
     }
   }