CI: bump used actions python, checkout

Author: johnyf

.github/workflows/main.yml

@@ -17,9 +17,9 @@ jobs:
                     '3.12',
                     ]
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
             - name: Set up Python ${{ matrix.python-version }}
-              uses: actions/setup-python@v4
+              uses: actions/setup-python@v5
               with:
                   python-version: ${{ matrix.python-version }}
             - name: Prepare installation environment