fix: added uv build command

Author: umar-anzar

.github/workflows/publish.yml

@@ -20,6 +20,9 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v5
 
+      - name: Build package
+        run: uv build
+
       - name: Deploy to TestPyPI
         if: github.ref == 'refs/heads/test'
         run: uv publish --index testpypi