Update main.yml

.github/workflows/main.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4 # Updated to a version compatible with Node.js 20
 
       - name: Set up Python
         uses: actions/setup-python@v4
@@ -29,7 +29,7 @@ jobs:
           pip install platformio
 
       - name: Cache PlatformIO packages
-        uses: actions/cache@v3
+        uses: actions/cache@v4 # Updated to a version compatible with Node.js 20
         with:
           path: ~/.platformio
           key: ${{ runner.os }}-platformio-${{ hashFiles('**/platformio.ini') }}