Switch CI to Python 3.10

Author: valeros

.github/workflows/examples.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v3
         with:
-          python-version: "3.9"
+          python-version: "3.10"
       - name: Install dependencies
         run: |
           pip install -U https://github.com/platformio/platformio/archive/develop.zip

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: [3.9]
+        python-version: [3.10]
         example:
           - "examples/espidf-hello-world"
     runs-on: ${{ matrix.os }}