Update compile-platform.yml

update actions/checkout@v3 to actions/checkout@v4 should fix node 16 depreciation warning

.github/workflows/compile-platform.yml

@@ -26,7 +26,7 @@ jobs:
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Compile
         run: sudo ./compile ${{ inputs.platform }} ${{ inputs.target_stage }}