Try to add separate workflow

.github/workflows/arduino.yml

@@ -0,0 +1,32 @@
+# This is a basic workflow to help you get started with Actions
+
+name: Arduino_Compiler_CI
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on push or pull request events
+  push:
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+  pull_request:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: windows-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      - name: Checkout
+        uses: actions/checkout@master
+
+      - name: Install Arduino CLI
+        uses: arduino/setup-arduino-cli@master
+
+      - run: |
+          mkdir -p "$HOME/Arduino/libraries"
+          eng/ArduinoCsCI.cmd
+