Try using older version of setup-python action.

Author: mittinatten

.github/workflows/publish.yml

@@ -23,7 +23,7 @@ jobs:
       - name: "Get upstream C library"
         run: git submodule update --init
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v4.3.0
         with:
           cache: "pip"
           python-version: ${{ matrix.python-version }}

setup.py

@@ -56,7 +56,7 @@
 
 setup(
     name='freesasa',
-    version= '2.2.0rc3',
+    version= '2.2.0rc4',
     description='Calculate solvent accessible surface areas of proteins',
     long_description=long_description,
     author='Simon Mitternacht',