Use proper action for examples CI

Author: platisd

.github/workflows/examples.yml

@@ -26,8 +26,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+      - name: Install PySerial (needed for ESP32 compilation)
+        run: pip3 install pyserial
       - name: Compile library examples
-        uses: platisd/actions/libraries/compile-examples@master
+        uses: per1234/compile-sketches@system-site-packages
         with:
           platforms: |
             - name: ${{ matrix.board.platform }}