Upgrade GitHub Actions

.github/workflows/test_of_validate_package.yml

@@ -13,12 +13,12 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     - name: Set up Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
-        python-version: '3.8'
+        python-version: '3.x'
     
     - name: Install dependencies
       run: python -m pip install -r scripts/requirements.txt