ci: bump action versions

Author: james-garner-canonical

.github/workflows/test.yaml

@@ -52,9 +52,9 @@ jobs:
           - "3.10"
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
       - name: Install dependencies