chore(dependencies): update actions/setup-python action to v4

Author: renovate-bot

.github/workflows/test.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@master
-      - uses: actions/setup-python@v3
+      - uses: actions/setup-python@v4
         with:
           python-version: "3.8"
           architecture: "x64"