fix: remove sdist build

Author: AlexanderGrooff

.github/workflows/publish.yaml

@@ -15,13 +15,13 @@ jobs:
           python-version: '3.x'
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
+          python -m pip install --upgrade pip build
           pip install build
       - name: Verify setup
         run: ./scripts/verify_setup.sh
         shell: bash
       - name: Build package
-        run: python setup.py sdist
+        run: python -m build
       - name: Publish package
         uses: pypa/gh-action-pypi-publish@27b31702a0e7fc50959f5ad993c78deac1bdfc29
         with: