Update actions/setup-python action

Author: netmindz

.github/workflows/wled-ci.yml

@@ -55,7 +55,7 @@ jobs:
           ${{ runner.os }}-${{ matrix.environment}}
 
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
           python-version: '3.9'
     - name: Install PlatformIO