fix tiler gh workflow

.github/workflows/testing-tiler.yml

@@ -13,18 +13,16 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
         with:
-          python-version: 3.10
+          python-version: "3.10"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
           pip install flake8
           if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
       - name: Tiler tests
-        env:
-          # add environment variables for tests
         run: |
           pytest