Update workflow

Author: MarieRoald

.github/workflows/Tests.yml

@@ -9,8 +9,8 @@ jobs:
         os: [ubuntu-latest]
         backend: ['numpy', 'pytorch']
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: '3.10'
       - name: install dependencies