build: use gh release directly

.github/workflows/main.yml

@@ -35,23 +35,9 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
           config-file: .github/config/release-please.json
           manifest-file: .github/config/.release-please-manifest.json
-    outputs:
-      paths_released: ${{ steps.release-please.outputs.paths_released }}
-      releases: ${{ toJson(steps.release-please.outputs) }}
-
-  publish:
-    name: publish release
-    runs-on: ubuntu-latest
-    needs: release-please
-    if: ${{ needs.release.outputs.paths_released != '[]' }}
-    strategy:
-      fail-fast: false
-      matrix:
-        path: ${{ fromJson(needs.release.outputs.paths_released) }}
-    steps:
-      - name: upload artifacts
-        uses: softprops/action-gh-release@v1
-        with:
-          tag_name: ${{ fromJson(needs.release.outputs.releases)[matrix.path == '.' && 'tag_name' || format('{0}--tag_name', matrix.path)] }}
-          files: ${{ matrix.path }}/**/build/libs/*
-          token: ${{ secrets.GITHUB_TOKEN }}
+      - name: upload release artifacts
+        if: ${{ steps.release.outputs.release_created }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release upload ${{ steps.release.outputs.tag_name }} build/libs/*.jar