Update setup-python github action

Let's see if this fixes CI

Author: anka-213

.github/workflows/build-python-package.yml

@@ -18,7 +18,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
 
-    - uses: actions/setup-python@v1
+    - uses: actions/setup-python@v5.20
       name: Install Python
       with:
         python-version: '3.x'