added upload package task

Author: dgraf-gh

.github/workflows/release.yml

@@ -51,4 +51,13 @@ jobs:
           context: .
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          labels: ${{ steps.meta.outputs.labels }}
+      - name: Release
+        uses: softprops/action-gh-release@v2
+        if: github.ref_type == 'tag'
+        with:
+          make_latest: true
+          fail_on_unmatched_files: true
+          files: |
+            staging/*.jar
+            LICENSE