Updated GHA env versions (#587)

Author: nikolas

.github/workflows/tests.yml

@@ -27,10 +27,10 @@ jobs:
         - "3.14"
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@v7
         with:
           python-version: ${{ matrix.python-version }}