Update Arduino CLI action version format

.github/workflows/main.yml

@@ -50,7 +50,7 @@ jobs:
       # We use the `arduino/setup-arduino-cli` action to install and
       # configure the Arduino CLI on the system.
       - name: Setup Arduino CLI
-        uses: arduino/setup-arduino-cli@1.1.1
+        uses: arduino/setup-arduino-cli@v1.1.1
       
       
       # We then install the platform, which one will be determined