install the build frontend from the right pypi package (#333)

* use the right package to install the build frontend

* [skip-ci][skip-rtd]

Author: keewis

.github/workflows/pypi.yaml

@@ -22,7 +22,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install python-build twine
+          python -m pip install build twine
 
       - name: Build tarball and wheels
         run: |