[SYS] Update to Arduino 3.3.3 and use custom libs (#2248)

* Update Arduino core to v3.3.2 and use custom Arduino libs

* Update Python version and install uv in build.yml (#2247)

Updated Python version and added uv installation step.

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Co-authored-by: Ryan Powell <ryan@nable-embedded.io>

* fix builds

* Update scripts/add_c_flags.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Fetch archives instead of cloning libraries

* Update to Arduino 3.3.3

---------

Co-authored-by: h2zero <powellperalata@gmail.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

.github/workflows/build.yml

@@ -93,17 +93,23 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
-      - name: Install platformio
+          python-version: '3.13'
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          version: "latest"
+          enable-cache: false
+      - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
-          pip install platformio
-          pip install setuptools
+          uv pip install --system -U https://github.com/pioarduino/platformio-core/archive/refs/tags/v6.1.18.zip
       - name: Extract ESP32 platform version from platformio.ini
         run: |
           ESP32_VERSION=$(grep 'esp32_platform\s*=' platformio.ini | cut -d'@' -f2 | tr -d '[:space:]')
           echo "ESP32_PLATFORM_VERSION=${ESP32_VERSION}" >> $GITHUB_ENV
       - name: Run PlatformIO
+        env:
+          PYTHONIOENCODING: utf-8
+          PYTHONUTF8: '1'
         run: platformio run -e ${{ matrix.environments }}
       - name: Upload Assets
         uses: actions/upload-artifact@v4