Bump actions/setup-python from 1 to 4

Author: foosel

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: 🏗 Set up Python 3.7
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v4
         with:
           python-version: 3.7
       - name: 🏗 Install build dependencies