Update github action step versions.

Author: tim-schilling

.github/workflows/test.yml

@@ -27,9 +27,9 @@ jobs:
       SECRET_KEY: very-unstrustworthy
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
           cache: pip