Update actions/setup-python digest to cfd55ca

Author: renovate[bot]

.github/workflows/main.yml

@@ -61,7 +61,7 @@ jobs:
         uses: actions/checkout@9a9194f87191a7e9055e3e9b95b8cfb13023bb08
 
       - name: Set up Python
-        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3
+        uses: actions/setup-python@cfd55ca82492758d853442341ad4d8010466803a
         with:
           python-version: ${{ matrix.python_version }}