Merge pull request #155 from vpython/sspickle-patch-1

Update upload_pypi.yml

Author: sspickle

.github/workflows/upload_pypi.yml

@@ -50,7 +50,7 @@ jobs:
         python -m pip install --upgrade pip
         pip install twine
     - name: Python wheels manylinux build
-      uses: RalfG/python-wheels-manylinux-build@v0.1
+      uses: RalfG/python-wheels-manylinux-build@v0.3.4
       with:
         python-versions: 'cp36-cp36m cp37-cp37m cp38-cp38'
         build-requirements: 'setuptools cython'