ci: upload contract artifacts to GitHub Releases

.github/workflows/release.yml

@@ -44,6 +44,34 @@ jobs:
         id: get_version
         run: jq -r '"version=\(.version)"' package.json >> "$GITHUB_OUTPUT"
 
+  upload_contract_artifacts_to_gh_releases:
+    name: Upload contract artifacts to GitHub Releases
+    needs: version_or_publish
+    if: ${{ needs.version_or_publish.outputs.published == 'true' }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - uses: ./.github/workflows/setup
+
+      - name: Build contracts
+        run: pnpm build
+
+      - name: Create upload folder
+        run: mkdir -p upload
+
+      - name: Compress contract artifacts
+        run: tar -czf "$FILEPATH" -C export/artifacts/contracts .
+        env:
+          FILEPATH: upload/rollups-contracts-${{ needs.version_or_publish.outputs.version }}-artifacts.tar.gz
+
+      - name: Upload files to GitHub Releases
+        uses: softprops/action-gh-release@v2
+        with:
+          files: upload/*
+
   rust_bindings:
     name: Generate and publish Rust bindings
     needs: version_or_publish